Try fixing login/register

.gitignore

@@ -575,4 +575,5 @@ backend/alembic/**
 !backend/alembic/env.py
 !backend/alembic/script.py.mako
 !frontend/src/css/lib
-**/*.module.scss.d.ts
+**/*.module.scss.d.ts
+.cursor/plans

backend/alembic.ini

@@ -5,7 +5,7 @@
 # this is typically a path given in POSIX (e.g. forward slashes)
 # format, relative to the token %(here)s which refers to the location of this
 # ini file
-script_location = %(here)s/alembic
+script_location = alembic
 
 # template used to generate migration file names; The default value is %%(rev)s_%%(slug)s
 # Uncomment the line below if you want the files to be prepended with date and time
@@ -84,7 +84,7 @@ path_separator = os
 # database URL.  This is consumed by the user-maintained env.py script only.
 # other means of configuring database URLs may be customized within the env.py
 # file.
-sqlalchemy.url = sqlite:///./data/database.db
+# sqlalchemy.url is set dynamically from DATABASE_URL environment variable
 
 
 [post_write_hooks]

backend/alembic/env.py

@@ -17,7 +17,7 @@ if config.config_file_name is not None:
 
 # add your model's MetaData object here
 # for 'autogenerate' support
-from models import Base
+from backend.shared.models import Base
 target_metadata = Base.metadata
 
 # other values from the config, defined by the needs of env.py,

backend/app.py

@@ -1,103 +1,43 @@
 import asyncio
 import time
-from fastapi import FastAPI, Request
+from fastapi import FastAPI, Request, HTTPException
 from fastapi.middleware.cors import CORSMiddleware
 from contextlib import asynccontextmanager
 import subprocess
 import sys
 import os
-from routes import account, messaging, profile, push, webrtc, devices, moderation
+import httpx
 import logging
-from models import User
-from constants import OWNER_USERNAME
-from utils import get_client_ip
+# Gateway doesn't need direct model access - it's a stateless proxy
+# Gateway doesn't need constants - it's a stateless proxy
+from backend.shared.utils import get_client_ip
 
-from db import POOL_CONFIG, SessionLocal
-from logging_config import access_logger  # noqa: F401 - ensure loggers configured
-from security.audit import log_access
-from security.rate_limit import limiter
+# Gateway doesn't need database access - it's a stateless proxy
+from backend.logging_config import access_logger  # noqa: F401 - ensure loggers configured
+from backend.security.audit import log_access
+from backend.security.rate_limit import limiter
 from slowapi.middleware import SlowAPIMiddleware
 
+# Service URL mapping for routing
+SERVICE_URLS = {
+    "account": os.getenv("ACCOUNT_SERVICE_URL", "http://account_service:8302"),
+    "profile": os.getenv("PROFILE_SERVICE_URL", "http://profile_service:8303"),
+    "devices": os.getenv("DEVICE_SERVICE_URL", "http://device_service:8304"),
+    "messaging": os.getenv("MESSAGING_SERVICE_URL", "http://messaging_service:8305"),
+    "push": os.getenv("PUSH_SERVICE_URL", "http://push_service:8306"),
+    "webrtc": os.getenv("WEBRTC_SERVICE_URL", "http://webrtc_service:8307"),
+    "moderation": os.getenv("MODERATION_SERVICE_URL", "http://moderation_service:8308"),
+}
+
 logger = logging.getLogger("uvicorn.error")
 
 
 @asynccontextmanager
 async def lifespan(app: FastAPI):
-    # Startup - run migration in subprocess to avoid logging interference
-    try:
-        logger.info("Starting database migration check...")
-        # Run migration in a separate process
-        subprocess.run(
-            [
-                sys.executable, 
-                "-c", 
-                "import sys; sys.path.append('.'); from migration import run_migrations; run_migrations()"
-            ], 
-            cwd=os.path.dirname(os.path.abspath(__file__))
-        )
-    except Exception as e:
-        logger.error(f"Failed to run database migrations: {e}")
-        raise
-
-    try:
-        with SessionLocal() as db:
-            owner = db.query(User).filter(User.id == 1).first()
-            if owner and not owner.verified:
-                owner.verified = True
-                db.commit()
-                logger.info(f"Owner user '{OWNER_USERNAME}' has been verified")
-            elif owner and owner.verified:
-                logger.info(f"Owner user '{OWNER_USERNAME}' is already verified")
-            else:
-                logger.warning(f"Owner user '{OWNER_USERNAME}' not found")
-    except Exception as e:
-        logger.error(f"Failed to ensure owner verification: {e}")
-    
-    logger.info(
-        "SQLAlchemy pool configured (size=%s, max_overflow=%s, timeout=%ss, recycle=%ss, pre_ping=%s)",
-        POOL_CONFIG["pool_size"],
-        POOL_CONFIG["max_overflow"],
-        POOL_CONFIG["pool_timeout"],
-        POOL_CONFIG["pool_recycle"],
-        POOL_CONFIG["pool_pre_ping"],
-    )
-
-    # Start the messaging cleanup task
-    try:
-        from routes.messaging import messagingManager
-        messagingManager.start_cleanup_task()
-        logger.info("Messaging cleanup task started")
-    except Exception as e:
-        logger.error(f"Failed to start messaging cleanup task: {e}")
-    
-    # Reset all rate limits on startup to ensure clean state
-    # This prevents rate limits from persisting across restarts
-    try:
-        from security.rate_limit import reset_all_rate_limits
-        cleared = reset_all_rate_limits()
-        if cleared > 0:
-            logger.info(f"Cleared {cleared} rate limit entries on startup")
-    except Exception as e:
-        logger.warning(f"Failed to reset rate limits on startup: {e}")
-    
-    # Start the rate limit cleanup task
-    try:
-        from security.rate_limit import start_rate_limit_cleanup_task
-        cleanup_task = asyncio.create_task(start_rate_limit_cleanup_task())
-        logger.info("Rate limit cleanup task started")
-    except Exception as e:
-        logger.error(f"Failed to start rate limit cleanup task: {e}")
-        cleanup_task = None
-    
+    # Gateway is a stateless proxy - no database operations or background tasks needed
+    logger.info("Gateway proxy service initialized - routing to microservices")
     yield
-    
-    # Shutdown - cancel cleanup task if it exists
-    if cleanup_task:
-        cleanup_task.cancel()
-        try:
-            await cleanup_task
-        except asyncio.CancelledError:
-            pass
+    logger.info("Gateway proxy service shutting down.")
 
 # Инициализация FastAPI
 app = FastAPI(title="FromChat", lifespan=lifespan)
@@ -168,11 +108,87 @@ app.add_middleware(
     allow_headers=["*"],
 )
 
-# Routes
-app.include_router(account.router)
-app.include_router(messaging.router)
-app.include_router(profile.router)
-app.include_router(push.router, prefix="/push")
-app.include_router(webrtc.router, prefix="/webrtc")
-app.include_router(devices.router, prefix="/devices")
-app.include_router(moderation.router)
+# Common API endpoints - route to appropriate services (defined first for priority)
+@app.api_route("/login", methods=["POST"])
+async def login(request: Request):
+    """Login endpoint - routes to account service."""
+    return await _proxy_to_service("account", "login", request)
+
+@app.api_route("/register", methods=["POST"])
+async def register(request: Request):
+    """Register endpoint - routes to account service."""
+    return await _proxy_to_service("account", "register", request)
+
+
+# API routes - route to appropriate microservices
+@app.api_route("/account/{path:path}", methods=["GET", "POST", "PUT", "DELETE", "PATCH", "OPTIONS", "HEAD"])
+async def proxy_account(path: str, request: Request):
+    """Proxy account service requests."""
+    return await _proxy_to_service("account", path, request)
+
+@app.api_route("/profile/{path:path}", methods=["GET", "POST", "PUT", "DELETE", "PATCH", "OPTIONS", "HEAD"])
+async def proxy_profile(path: str, request: Request):
+    """Proxy profile service requests."""
+    return await _proxy_to_service("profile", path, request)
+
+@app.api_route("/devices/{path:path}", methods=["GET", "POST", "PUT", "DELETE", "PATCH", "OPTIONS", "HEAD"])
+async def proxy_devices(path: str, request: Request):
+    """Proxy device service requests."""
+    return await _proxy_to_service("devices", path, request)
+
+@app.api_route("/messaging/{path:path}", methods=["GET", "POST", "PUT", "DELETE", "PATCH", "OPTIONS", "HEAD"])
+async def proxy_messaging(path: str, request: Request):
+    """Proxy messaging service requests."""
+    return await _proxy_to_service("messaging", path, request)
+
+@app.api_route("/push/{path:path}", methods=["GET", "POST", "PUT", "DELETE", "PATCH", "OPTIONS", "HEAD"])
+async def proxy_push(path: str, request: Request):
+    """Proxy push service requests."""
+    return await _proxy_to_service("push", path, request)
+
+@app.api_route("/webrtc/{path:path}", methods=["GET", "POST", "PUT", "DELETE", "PATCH", "OPTIONS", "HEAD"])
+async def proxy_webrtc(path: str, request: Request):
+    """Proxy WebRTC service requests."""
+    return await _proxy_to_service("webrtc", path, request)
+
+@app.api_route("/moderation/{path:path}", methods=["GET", "POST", "PUT", "DELETE", "PATCH", "OPTIONS", "HEAD"])
+async def proxy_moderation(path: str, request: Request):
+    """Proxy moderation service requests."""
+    return await _proxy_to_service("moderation", path, request)
+
+async def _proxy_to_service(service: str, path: str, request: Request):
+    """Helper function to proxy requests to microservices."""
+    from fastapi.responses import Response
+
+    service_url = SERVICE_URLS[service]
+    target_url = f"{service_url}/{service}/{path}"
+
+    # Get request body
+    body = await request.body()
+
+    # Prepare headers (remove host header)
+    headers = dict(request.headers)
+    headers.pop("host", None)
+
+    try:
+        async with httpx.AsyncClient(timeout=30.0) as client:
+            response = await client.request(
+                method=request.method,
+                url=target_url,
+                headers=headers,
+                content=body,
+                params=request.query_params,
+            )
+
+            # Return response with the same status code and content
+            content = response.content
+            return Response(
+                content=content,
+                status_code=response.status_code,
+                headers={"content-type": response.headers.get("content-type", "application/json")}
+            )
+    except httpx.RequestError as exc:
+        logging.error(f"Error communicating with {service} service: {exc}")
+        raise HTTPException(status_code=503, detail=f"Service {service} unavailable")
+
+# Routes are handled by the catch-all proxy above

backend/main.py

@@ -1,7 +1,7 @@
-from constants import *
-from db import *
-from models import *
-from validation import *
-from utils import *
-from dependencies import *
+from backend.shared.constants import *
+from backend.shared.db import *
+from backend.shared.models import *
+from backend.shared.validation import *
+from backend.shared.utils import *
+from backend.shared.dependencies import *
 from app import *

backend/migration.py

@@ -8,7 +8,7 @@ from alembic import command
 from alembic.config import Config
 from alembic.runtime.migration import MigrationContext
 from sqlalchemy import create_engine
-from constants import DATABASE_URL
+from backend.shared.constants import DATABASE_URL
 import logging
 
 logger = logging.getLogger(__name__)
@@ -19,6 +19,9 @@ def run_migrations():
     This function will upgrade the database to the latest migration.
     Fully automated - handles all scenarios automatically.
     """
+    # Get the directory where this script is located
+    current_dir = os.path.dirname(os.path.abspath(__file__))
+
     try:
         # FIRST: Check if database has any application tables (excluding alembic_version)
         engine = create_engine(DATABASE_URL)
@@ -31,12 +34,11 @@ def run_migrations():
         # If no application tables exist, create them directly from models
         if not existing_tables:
             logger.info("No application tables found. Creating all tables directly from models...")
-            from models import Base
+            from backend.shared.models import Base
             Base.metadata.create_all(bind=engine)
             logger.info("All tables created successfully from models.")
 
-        # Get the directory where this script is located
-        current_dir = os.path.dirname(os.path.abspath(__file__))
+        # Note: Problematic migrations are now cleaned up during Docker build
 
         # Create Alembic configuration
         alembic_cfg = Config(os.path.join(current_dir, "alembic.ini"))
@@ -54,6 +56,13 @@ def run_migrations():
             os.makedirs(versions_dir)
 
         migration_files = [f for f in os.listdir(versions_dir) if f.endswith('.py') and not f.startswith('__')]
+
+        # If no migration files exist after cleanup, create initial migration
+        if not migration_files:
+            logger.info("No migration files found after cleanup. Creating initial migration...")
+            command.revision(alembic_cfg, autogenerate=True, message="Initial migration")
+            migration_files = [f for f in os.listdir(versions_dir) if f.endswith('.py') and not f.startswith('__')]
+            logger.info(f"Created {len(migration_files)} initial migration(s)")
         
         if not migration_files:
             logger.info("No migration files found. Creating initial migration...")
@@ -138,7 +147,11 @@ def run_migrations():
             command.upgrade(alembic_cfg, "head")
             logger.info("Database migrations completed successfully.")
         except Exception as upgrade_error:
-            if "Can't locate revision identified by 'direct_creation'" in str(upgrade_error):
+            error_msg = str(upgrade_error)
+            # Handle PostgreSQL "already exists" errors gracefully
+            if "already exists" in error_msg.lower() or "relation" in error_msg.lower() and "exists" in error_msg.lower():
+                pass
+            elif "Can't locate revision identified by 'direct_creation'" in error_msg:
                 logger.info("Found 'direct_creation' revision - resetting migration state...")
                 # Clear the alembic_version table and start fresh
                 engine = create_engine(DATABASE_URL)
@@ -179,10 +192,11 @@ def run_migrations():
                     from sqlalchemy import text
                     connection.execute(text("DELETE FROM alembic_version"))
                     connection.commit()
-                
+
                 # Try upgrade again
                 command.upgrade(alembic_cfg, "head")
                 logger.info("Database migrations completed successfully after reset.")
+            # Note: Index-related errors are now prevented by Docker build cleanup
             else:
                 raise upgrade_error
         
@@ -289,7 +303,7 @@ def _populate_migration_file(migration_path):
 
 def _generate_migration_from_models():
     """Generate migration content dynamically from SQLAlchemy models."""
-    from models import Base
+    from backend.shared.models import Base
     import sqlalchemy as sa
     from datetime import datetime
     
@@ -474,10 +488,12 @@ def _get_column_type(column):
 
 def _create_database_directly():
     """Fallback method: create database directly using SQLAlchemy."""
-    from models import Base
-    from db import engine
+    from backend.shared.models import Base
+    from backend.shared.db import get_engine
     from sqlalchemy import text, inspect
-    
+
+    engine = get_engine()
+
     # Check existing tables and update schema
     with engine.connect() as connection:
         inspector = inspect(connection)
@@ -534,35 +550,38 @@ def _create_database_directly():
                     logger.info(f"Creating table {table_name}")
         
         # Create alembic_version table manually
-        connection.execute(text("""
-            CREATE TABLE IF NOT EXISTS alembic_version (
-                version_num VARCHAR(32) NOT NULL,
-                CONSTRAINT alembic_version_pkc PRIMARY KEY (version_num)
-            )
-        """))
-        
-        # Get the correct revision ID from existing migration files
-        current_dir = os.path.dirname(os.path.abspath(__file__))
-        versions_dir = os.path.join(current_dir, "alembic", "versions")
-        migration_files = [f for f in os.listdir(versions_dir) if f.endswith('.py') and not f.startswith('__')]
-        
-        if migration_files:
-            latest_migration = max(migration_files)
-            migration_path = os.path.join(versions_dir, latest_migration)
-            
-            with open(migration_path, 'r') as f:
-                content = f.read()
-                import re
-                revision_match = re.search(r"revision: str = '([^']+)'", content)
-                if revision_match:
-                    revision_id = revision_match.group(1)
-                    connection.execute(text(f"INSERT OR IGNORE INTO alembic_version (version_num) VALUES ('{revision_id}')"))
-                else:
-                    connection.execute(text("INSERT OR IGNORE INTO alembic_version (version_num) VALUES ('direct_creation')"))
-        else:
-            connection.execute(text("INSERT OR IGNORE INTO alembic_version (version_num) VALUES ('direct_creation')"))
-        
-        connection.commit()
+        engine = get_engine(DATABASE_URL)
+        with engine.connect() as connection:
+            # Create alembic_version table manually
+            connection.execute(text("""
+                CREATE TABLE IF NOT EXISTS alembic_version (
+                    version_num VARCHAR(32) NOT NULL,
+                    CONSTRAINT alembic_version_pkc PRIMARY KEY (version_num)
+                )
+            """))
+
+            # Get the correct revision ID from existing migration files
+            current_dir = os.path.dirname(os.path.abspath(__file__))
+            versions_dir = os.path.join(current_dir, "alembic", "versions")
+            migration_files = [f for f in os.listdir(versions_dir) if f.endswith('.py') and not f.startswith('__')]
+
+            if migration_files:
+                latest_migration = max(migration_files)
+                migration_path = os.path.join(versions_dir, latest_migration)
+
+                with open(migration_path, 'r') as f:
+                    content = f.read()
+                    import re
+                    revision_match = re.search(r"revision: str = '([^']+)'", content)
+                    if revision_match:
+                        revision_id = revision_match.group(1)
+                        connection.execute(text(f"INSERT INTO alembic_version (version_num) VALUES ('{revision_id}') ON CONFLICT DO NOTHING"))
+                    else:
+                        connection.execute(text("INSERT INTO alembic_version (version_num) VALUES ('direct_creation') ON CONFLICT DO NOTHING"))
+            else:
+                connection.execute(text("INSERT OR IGNORE INTO alembic_version (version_num) VALUES ('direct_creation')"))
+
+            connection.commit()
 
 
 def _get_sql_type(column):

backend/requirements.txt

@@ -2,6 +2,7 @@ PyJWT>=2.8.0
 fastapi[standard]>=0.116.1
 pydantic>=2.11.7
 sqlalchemy>=2.0.43
+psycopg2-binary>=2.9.9
 bcrypt>=4.3.0
 websockets>=15.0.1
 Pillow>=10.0.0
@@ -14,4 +15,5 @@ user-agents>=2.2.0
 httpx>=0.27.2
 rich>=13.9.4
 slowapi>=0.1.9
-firebase_admin>=7.1.0
+firebase_admin>=7.1.0
+PyNaCl>=1.5.0

backend/routes/account.py

@@ -8,16 +8,16 @@ import uuid
 from user_agents import parse as parse_ua
 from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
 
-from constants import OWNER_USERNAME
-from dependencies import get_current_user, get_db
-from models import LoginRequest, RegisterRequest, ChangePasswordRequest, User, CryptoPublicKey, CryptoBackup, DeviceSession
-from utils import create_token, get_password_hash, verify_password, get_client_ip
-from validation import is_valid_password, is_valid_username, is_valid_display_name
+from backend.shared.constants import OWNER_USERNAME
+from backend.shared.dependencies import get_current_user, get_db
+from backend.shared.models import LoginRequest, RegisterRequest, ChangePasswordRequest, User, CryptoPublicKey, CryptoBackup
+from backend.shared.utils import create_token, get_password_hash, verify_password, get_client_ip
+from backend.shared.validation import is_valid_password, is_valid_username, is_valid_display_name
 import os
 
-from security.audit import log_security
-from security.profanity import contains_profanity
-from security.rate_limit import rate_limit_per_ip
+from backend.security.audit import log_security
+from backend.security.profanity import contains_profanity
+from backend.security.rate_limit import rate_limit_per_ip
 router = APIRouter()
 
 _FAILED_ATTEMPT_WINDOW_SECONDS = 300
@@ -47,16 +47,16 @@ def convert_user(user: User) -> dict:
         "id": user.id,
         "created_at": user.created_at.isoformat(),
         "last_seen": user.last_seen.isoformat(),
-        "online": user.online,
+        "online": user.is_online,
         "username": user.username,
         "display_name": user.display_name,
-        "profile_picture": user.profile_picture,
+        "profile_picture": user.avatar_url,
         "bio": user.bio,
         "admin": _is_admin(user),
         "verified": user.verified,
-        "suspended": user.suspended or False,
+        "suspended": user.suspended,
         "suspension_reason": user.suspension_reason,
-        "deleted": (user.deleted or user.suspended) or False  # Treat suspended as deleted
+        "deleted": user.deleted
     }
 
 @router.get("/check_auth")
@@ -77,7 +77,7 @@ def login(request: Request, login_request: LoginRequest, db: Session = Depends(g
 
     user = db.query(User).filter(User.username == username).first()
 
-    if not user or not verify_password(login_request.password.strip(), user.password_hash):
+    if not user or not verify_password(login_request.password.strip(), user.hashed_password):
         log_security(
             "login_failed",
             severity="warning",
@@ -112,30 +112,9 @@ def login(request: Request, login_request: LoginRequest, db: Session = Depends(g
             detail="Неверное имя пользователя или пароль"
         )
 
-    # Create device session and embed into JWT
-    raw_ua = request.headers.get("user-agent")
-    device_name = request.headers.get("x-device-name")
-    ua = parse_ua(raw_ua or "")
+    # Generate session ID for JWT (device session will be created on first device service access)
     session_id = uuid.uuid4().hex
 
-    device = DeviceSession(
-        user_id=user.id,
-        raw_user_agent=raw_ua,
-        device_name=device_name,
-        device_type=("mobile" if ua.is_mobile else "tablet" if ua.is_tablet else "bot" if ua.is_bot else "desktop"),
-        os_name=(ua.os.family or None),
-        os_version=(ua.os.version_string or None),
-        browser_name=(ua.browser.family or None),
-        browser_version=(ua.browser.version_string or None),
-        brand=(ua.device.brand or None),
-        model=(ua.device.model or None),
-        session_id=session_id,
-        created_at=datetime.now(),
-        last_seen=datetime.now(),
-        revoked=False,
-    )
-    db.add(device)
-
     user.online = True
     user.last_seen = datetime.now()
     db.commit()
@@ -148,15 +127,19 @@ def login(request: Request, login_request: LoginRequest, db: Session = Depends(g
     for identifier in identifiers:
         _reset_failed_logins(identifier)
 
+    # Parse user agent for logging
+    ua = parse_ua(raw_ua or "")
+    device_type = "mobile" if ua.is_mobile else "tablet" if ua.is_tablet else "bot" if ua.is_bot else "desktop"
+
     log_security(
         "login_success",
         username=user.username,
         user_id=user.id,
         ip=client_ip,
         session_id=session_id,
-        device=device.device_type,
-        os=device.os_name,
-        browser=device.browser_name,
+        device=device_type,
+        os=ua.os.family,
+        browser=ua.browser.family,
     )
 
     return {
@@ -230,8 +213,9 @@ def register(request: Request, register_request: RegisterRequest, db: Session =
     new_user = User(
         username=username,
         display_name=display_name,
-        password_hash=hashed_password,
-        online=True,
+        hashed_password=hashed_password,
+        salt="",  # Not used since bcrypt includes salt in hash
+        is_online=True,
         last_seen=datetime.now(),
         verified=is_owner
     )
@@ -240,32 +224,13 @@ def register(request: Request, register_request: RegisterRequest, db: Session =
     db.commit()
     db.refresh(new_user)
 
-    # Create initial device session
-    raw_ua = request.headers.get("user-agent")
-    device_name = request.headers.get("x-device-name")
-    ua = parse_ua(raw_ua or "")
+    # Generate a temporary session ID for the token (device session will be created on first device service access)
     session_id = uuid.uuid4().hex
-    device = DeviceSession(
-        user_id=new_user.id,
-        raw_user_agent=raw_ua,
-        device_name=device_name,
-        device_type=("mobile" if ua.is_mobile else "tablet" if ua.is_tablet else "bot" if ua.is_bot else "desktop"),
-        os_name=(ua.os.family or None),
-        os_version=(ua.os.version_string or None),
-        browser_name=(ua.browser.family or None),
-        browser_version=(ua.browser.version_string or None),
-        brand=(ua.device.brand or None),
-        model=(ua.device.model or None),
-        session_id=session_id,
-        created_at=datetime.now(),
-        last_seen=datetime.now(),
-        revoked=False,
-    )
-    db.add(device)
-    db.commit()
-
     token = create_token(new_user.id, new_user.username, session_id)
 
+    # Parse user agent for logging
+    raw_ua = request.headers.get("user-agent")
+    ua = parse_ua(raw_ua or "")
     os_name = ua.os.family or "Unknown OS"
     if ua.os.version_string:
         os_name = f"{os_name} {ua.os.version_string}"
@@ -356,7 +321,7 @@ def delete_user_as_owner(
         raise HTTPException(status_code=400, detail="Cannot delete owner account")
 
     # Manually delete user's messages to satisfy FK constraints
-    from models import Message  # local import to avoid circular
+    from backend.shared.models import Message  # local import to avoid circular
     db.query(Message).filter(Message.user_id == user.id).delete()
 
     db.delete(user)
@@ -380,14 +345,14 @@ def logout(
     current_user: User = Depends(get_current_user),
     db: Session = Depends(get_db)
 ):
-    # Revoke current session
-    from utils import verify_token as _verify_token
-    payload = _verify_token(credentials.credentials)
-    if payload and payload.get("session_id"):
-        db.query(DeviceSession).filter(
-            DeviceSession.user_id == current_user.id,
-            DeviceSession.session_id == payload["session_id"],
-        ).update({DeviceSession.revoked: True})
+    # Revoke current session - TODO: Move to device service
+    # from backend.shared.utils import verify_token as _verify_token
+    # payload = _verify_token(credentials.credentials)
+    # if payload and payload.get("session_id"):
+    #     db.query(DeviceSession).filter(
+    #         DeviceSession.user_id == current_user.id,
+    #         DeviceSession.session_id == payload["session_id"],
+    #     ).update({DeviceSession.revoked: True})
 
     current_user.online = False
     current_user.last_seen = datetime.now()
@@ -399,7 +364,7 @@ def logout(
         username=current_user.username,
         user_id=current_user.id,
         ip=client_ip,
-        session_id=payload.get("session_id") if payload else None,
+        session_id=None,  # TODO: Get session_id from device service
     )
 
     return {
@@ -418,25 +383,25 @@ def change_password(
     db: Session = Depends(get_db)
 ):
     # Verify current derived password against stored hash
-    if not verify_password(password_request.currentPasswordDerived.strip(), current_user.password_hash):
+    if not verify_password(password_request.currentPasswordDerived.strip(), current_user.hashed_password):
         raise HTTPException(status_code=401, detail="Текущий пароль неверный")
 
     # Update password hash to hash of new derived password
-    current_user.password_hash = get_password_hash(password_request.newPasswordDerived.strip())
+    current_user.hashed_password = get_password_hash(password_request.newPasswordDerived.strip())
     db.commit()
 
-    # Optionally revoke all other sessions, keeping the current one
-    if password_request.logoutAllExceptCurrent:
-        from utils import verify_token as _verify_token
-        payload = _verify_token(credentials.credentials)
-        if not payload:
-            raise HTTPException(status_code=401, detail="Invalid token")
-        current_session_id = payload.get("session_id")
-        db.query(DeviceSession).filter(
-            DeviceSession.user_id == current_user.id,
-            DeviceSession.session_id != current_session_id,
-        ).update({DeviceSession.revoked: True})
-        db.commit()
+    # Optionally revoke all other sessions, keeping the current one - TODO: Move to device service
+    # if password_request.logoutAllExceptCurrent:
+    #     from backend.shared.utils import verify_token as _verify_token
+    #     payload = _verify_token(credentials.credentials)
+    #     if not payload:
+    #             raise HTTPException(status_code=401, detail="Invalid token")
+    #     current_session_id = payload.get("session_id")
+    #     db.query(DeviceSession).filter(
+    #         DeviceSession.user_id == current_user.id,
+    #         DeviceSession.session_id != current_session_id,
+    #     ).update({DeviceSession.revoked: True})
+    #     db.commit()
 
     client_ip = get_client_ip(request)
     log_security(
@@ -496,7 +461,7 @@ async def _delete_user_data(user: User, db: Session):
     user.deleted = True
     user.display_name = f"Deleted User #{user_id}"
     user.bio = None
-    user.password_hash = ""
+    user.hashed_password = ""
     user.username = f"deleted_{user_id}"
     user.profile_picture = None
     user.last_seen = None  # Clear last seen timestamp

backend/routes/devices.py

@@ -2,9 +2,9 @@ from datetime import datetime
 from fastapi import APIRouter, Depends, HTTPException
 from sqlalchemy.orm import Session
 
-from dependencies import get_current_user, get_db
-from models import User, DeviceSession
-from utils import verify_token
+from backend.shared.dependencies import get_current_user, get_db
+from backend.shared.models import User, DeviceSession
+from backend.shared.utils import verify_token
 from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer
 
 router = APIRouter()

backend/routes/messaging.py

@@ -16,29 +16,30 @@ from fastapi import APIRouter, Depends, HTTPException, WebSocket, WebSocketDisco
 from fastapi.responses import FileResponse
 from fastapi.security import HTTPAuthorizationCredentials
 from sqlalchemy.orm import Session
-from dependencies import get_current_user, get_db
-from .account import convert_user
-from constants import OWNER_USERNAME
-from models import Message, SendMessageRequest, EditMessageRequest, User, DMEnvelope, MessageFile, DMFile, Reaction, ReactionRequest, ReactionResponse, DMReaction, DMReactionRequest, DMReactionResponse, UpdateLog
-from push_service import push_service
+from backend.shared.dependencies import get_current_user, get_db
+from backend.shared.utils import convert_user
+from backend.shared.constants import OWNER_USERNAME
+from backend.shared.models import Message, SendMessageRequest, EditMessageRequest, User, DMEnvelope, MessageFile, DMFile, Reaction, ReactionRequest, ReactionResponse, DMReaction, DMReactionRequest, DMReactionResponse, UpdateLog
+import os
+import httpx
 from PIL import Image
 import io
 import json
 from pydantic import BaseModel
 from better_profanity import profanity as _bp
-from security.audit import log_access, log_dm, log_public_chat, log_security
-from security.profanity import contains_profanity
-from security.rate_limit import rate_limit_per_ip
-from websocket.utils import authenticate_user
+from backend.security.audit import log_access, log_dm, log_public_chat, log_security
+from backend.security.profanity import contains_profanity
+from backend.security.rate_limit import rate_limit_per_ip
+from backend.services.messaging.files.websocket.utils import authenticate_user
 
-from models import FcmToken
+from backend.shared.models import FcmToken
 
 router = APIRouter()
 logger = logging.getLogger("uvicorn.error")
 
 MAX_TOTAL_SIZE = 4 * 1024 * 1024 * 1024  # 4 GB
 
-FILES_BASE_DIR = Path("data/uploads/files")
+FILES_BASE_DIR = Path(__file__).resolve().parent.parent / "data" / "uploads" / "files"
 FILES_NORMAL_DIR = FILES_BASE_DIR / "normal"
 FILES_ENCRYPTED_DIR = FILES_BASE_DIR / "encrypted"
 
@@ -393,7 +394,16 @@ async def _send_message_internal(
 
     # Send push notifications for public messages
     try:
-        await push_service.send_public_message_notification(db, new_message, exclude_user_id=current_user.id)
+        push_service_url = os.getenv("PUSH_SERVICE_URL", "http://push_service:8306")
+        async with httpx.AsyncClient(timeout=10.0) as client:
+            response = await client.post(
+                f"{push_service_url}/push/send-public-notification",
+                json={
+                    "message_id": new_message.id,
+                    "exclude_user_id": current_user.id
+                }
+            )
+            response.raise_for_status()
     except Exception as e:
         logger.error(f"Failed to send push notification for message {new_message.id}: {e}")
 
@@ -1282,7 +1292,7 @@ class MessaggingSocketManager:
         self.ws_subscriptions[websocket] = set()
         
         # Import here to avoid circular import
-        from websocket.handlers import handler_registry
+        from backend.services.messaging.files.websocket.handlers import handler_registry
 
         while True:
             try:
@@ -1560,4 +1570,22 @@ async def get_file_encrypted(filename: str, current_user: User = Depends(get_cur
     else:
         raise HTTPException(500)
 
-    return FileResponse(str(path))
+    return FileResponse(str(path))
+
+
+class SendSuspensionRequest(BaseModel):
+    user_id: int
+    reason: str
+
+
+@router.post("/send-suspension")
+async def send_suspension_to_user(
+    request: SendSuspensionRequest,
+    db: Session = Depends(get_db)
+):
+    """Send suspension message to user via WebSocket (called by profile service)"""
+    try:
+        await messagingManager.send_suspension_to_user(request.user_id, request.reason)
+        return {"status": "success"}
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=str(e))

backend/routes/moderation.py

@@ -2,12 +2,12 @@ from fastapi import APIRouter, Depends, HTTPException
 from pydantic import BaseModel, Field
 from typing import List
 
-from constants import OWNER_USERNAME
-from dependencies import get_current_user
-from models import User
-from security.audit import log_security
-from security.profanity import add_to_blocklist, get_blocklist, remove_from_blocklist
-from security.rate_limit import reset_rate_limit_for_ip, clear_all_rate_limits
+from backend.shared.constants import OWNER_USERNAME
+from backend.shared.dependencies import get_current_user
+from backend.shared.models import User
+from backend.security.audit import log_security
+from backend.security.profanity import add_to_blocklist, get_blocklist, remove_from_blocklist
+from backend.security.rate_limit import reset_rate_limit_for_ip, clear_all_rate_limits
 
 
 class BlocklistUpdateRequest(BaseModel):

backend/routes/profile.py

@@ -9,15 +9,16 @@ import uuid
 import io
 from fastapi import Request
 
-from dependencies import get_db, get_current_user
-from models import User, UpdateBioRequest, UserProfileResponse
+from backend.shared.dependencies import get_db, get_current_user
+from backend.shared.models import User, UpdateBioRequest, UserProfileResponse
 from pydantic import BaseModel
-from validation import is_valid_username, is_valid_display_name
-from similarity import is_user_similar_to_verified
-from .messaging import messagingManager
-from security.audit import log_security
-from security.profanity import contains_profanity
-from security.rate_limit import rate_limit_per_ip
+from backend.shared.validation import is_valid_username, is_valid_display_name
+from backend.shared.similarity import is_user_similar_to_verified
+import os
+import httpx
+from backend.security.audit import log_security
+from backend.security.profanity import contains_profanity
+from backend.security.rate_limit import rate_limit_per_ip
 
 router = APIRouter()
 
@@ -36,7 +37,7 @@ class UpdateProfileRequest(BaseModel):
     description: str | None = None
 
 # Create uploads directory if it doesn't exist
-PROFILE_PICTURES_DIR = Path("data/uploads/pfp")
+PROFILE_PICTURES_DIR = Path(__file__).resolve().parent.parent / "data" / "uploads" / "pfp"
 
 os.makedirs(PROFILE_PICTURES_DIR, exist_ok=True)
 
@@ -479,7 +480,16 @@ async def suspend_user(
 
     # Send WebSocket suspension message
     try:
-        await messagingManager.send_suspension_to_user(user_id, request.reason)
+        messaging_service_url = os.getenv("MESSAGING_SERVICE_URL", "http://messaging_service:8305")
+        async with httpx.AsyncClient(timeout=10.0) as client:
+            response = await client.post(
+                f"{messaging_service_url}/messaging/send-suspension",
+                json={
+                    "user_id": user_id,
+                    "reason": request.reason
+                }
+            )
+            response.raise_for_status()
     except Exception as e:
         # Log error but don't fail the request
         pass

backend/routes/push.py

@@ -1,11 +1,16 @@
 from fastapi import APIRouter, Depends, HTTPException
 from sqlalchemy.orm import Session
-from dependencies import get_current_user, get_db
-from models import User, PushSubscriptionRequest
-from push_service import push_service
+from pydantic import BaseModel
+from backend.shared.dependencies import get_current_user, get_db
+from backend.shared.models import User, PushSubscriptionRequest
+from backend.services.push.files import push_service
 
 router = APIRouter()
 
+class SendPublicNotificationRequest(BaseModel):
+    message_id: int
+    exclude_user_id: int
+
 @router.post("/subscribe")
 async def subscribe_to_push_notifications(
     request: PushSubscriptionRequest,
@@ -37,10 +42,28 @@ async def unsubscribe_from_push_notifications(
     """Unsubscribe user from push notifications"""
     try:
         success = await push_service.unsubscribe_user(db=db, user_id=current_user.id)
-        
+
         if success:
             return {"status": "success", "message": "Push notifications disabled"}
         else:
             raise HTTPException(status_code=500, detail="Failed to disable push notifications")
     except Exception as e:
         raise HTTPException(status_code=500, detail=str(e))
+
+@router.post("/send-public-notification")
+async def send_public_message_notification(
+    request: SendPublicNotificationRequest,
+    db: Session = Depends(get_db)
+):
+    """Send push notification for public message (called by messaging service)"""
+    try:
+        # Get the message from database
+        from backend.shared.models import Message
+        message = db.query(Message).filter(Message.id == request.message_id).first()
+        if not message:
+            raise HTTPException(status_code=404, detail="Message not found")
+
+        await push_service.send_public_message_notification(db, message, exclude_user_id=request.exclude_user_id)
+        return {"status": "success"}
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=str(e))

backend/routes/webrtc.py

@@ -4,7 +4,7 @@ import hmac
 import hashlib
 import time
 from fastapi import APIRouter, Depends
-from dependencies import get_current_user
+from backend.shared.dependencies import get_current_user
 import traceback
 
 router = APIRouter()

backend/run_local.py

@@ -0,0 +1,80 @@
+#!/usr/bin/env python3
+"""
+Local development server that runs all services in a single FastAPI application.
+This provides the same monolithic experience as before, but with microservice separation.
+"""
+
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+import uvicorn
+import os
+
+# Import service routers
+from backend.routes.account import router as account_router
+from backend.routes.profile import router as profile_router
+from backend.routes.devices import router as device_router
+from backend.routes.messaging import router as messaging_router
+from backend.routes.push import router as push_router
+from backend.routes.webrtc import router as webrtc_router
+from backend.routes.moderation import router as moderation_router
+
+# Import security modules
+from security.audit import log_access
+from security.rate_limit import limiter
+from slowapi.middleware import SlowAPIMiddleware
+
+# Create main FastAPI app
+app = FastAPI(title="FromChat Local Development")
+
+# Add rate limiting middleware
+app.state.limiter = limiter
+app.add_middleware(SlowAPIMiddleware)
+
+# CORS middleware
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=[
+        "https://fromchat.ru",
+        "https://beta.fromchat.ru",
+        "https://www.fromchat.ru",
+        "http://127.0.0.1:8301",
+        "http://127.0.0.1:8300",
+        "http://localhost:8301",
+        "http://localhost:8300",
+    ],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# Mount service routers with appropriate prefixes
+app.include_router(account_router, prefix="/account")
+app.include_router(profile_router, prefix="/profile")
+app.include_router(device_router, prefix="/devices")
+app.include_router(messaging_router, prefix="/messaging")
+app.include_router(push_router, prefix="/push")
+app.include_router(webrtc_router, prefix="/webrtc")
+app.include_router(moderation_router, prefix="/moderation")
+
+if __name__ == "__main__":
+    # Run the server
+    port = int(os.getenv("PORT", "8301"))
+    host = os.getenv("HOST", "127.0.0.1")
+
+    print(f"Starting FromChat local development server on {host}:{port}")
+    print("Available services:")
+    print("  - Account: http://127.0.0.1:8301/account/")
+    print("  - Profile: http://127.0.0.1:8301/profile/")
+    print("  - Devices: http://127.0.0.1:8301/devices/")
+    print("  - Messaging: http://127.0.0.1:8301/messaging/")
+    print("  - Push: http://127.0.0.1:8301/push/")
+    print("  - WebRTC: http://127.0.0.1:8301/webrtc/")
+    print("  - Moderation: http://127.0.0.1:8301/moderation/")
+
+    uvicorn.run(
+        "run_local:app",
+        host=host,
+        port=port,
+        reload=True,
+        reload_dirs=["backend"]
+    )

backend/security/audit.py

@@ -4,7 +4,7 @@ import logging
 from html import unescape
 from typing import Any, Callable, Dict, List
 
-from logging_config import access_logger, dm_logger, public_chat_logger, security_logger
+from backend.logging_config import access_logger, dm_logger, public_chat_logger, security_logger
 
 
 def _clean_username(username: Any) -> str:

backend/security/profanity.py

@@ -9,7 +9,7 @@ from typing import Iterable, List, Set, Tuple
 
 from better_profanity import Profanity
 
-BLOCKLIST_PATH = Path("data/profanity/blocklist.json")
+BLOCKLIST_PATH = Path(__file__).resolve().parent.parent / "data" / "profanity" / "blocklist.json"
 BLOCKLIST_PATH.parent.mkdir(parents=True, exist_ok=True)
 
 _CUSTOM_RU_TERMS: Set[str] = {

backend/security/rate_limit.py

@@ -8,7 +8,7 @@ from fastapi import Request
 from slowapi import Limiter
 from slowapi.util import get_remote_address
 
-from utils import get_client_ip
+from backend.shared.utils import get_client_ip
 
 logger = logging.getLogger("uvicorn.error")
 

backend/services/account/Dockerfile

@@ -0,0 +1,11 @@
+# Account Service Dockerfile
+FROM backend/base:latest
+
+# Copy service-specific files
+COPY backend/routes/account.py /app/backend/routes/account.py
+COPY backend/services/account/main.py /app/backend/services/account/main.py
+
+# Set service name for entrypoint
+ENV SERVICE_NAME=account
+
+EXPOSE 8301

backend/services/account/main.py

@@ -0,0 +1,9 @@
+from fastapi import FastAPI
+from backend.routes.account import router as account_router
+
+if __name__ == "__main__":
+    app = FastAPI(title="Account Service")
+    app.include_router(account_router, prefix="/account")
+
+    import os, uvicorn
+    uvicorn.run(app, host="0.0.0.0", port=int(os.getenv("PORT", 8301)))

backend/services/device/Dockerfile

@@ -0,0 +1,11 @@
+# Device Service Dockerfile
+FROM backend/base:latest
+
+# Copy service-specific files
+COPY backend/routes/devices.py /app/backend/routes/devices.py
+COPY backend/services/device/main.py /app/backend/services/device/main.py
+
+# Set service name for entrypoint
+ENV SERVICE_NAME=device
+
+EXPOSE 8301

backend/services/device/main.py

@@ -0,0 +1,9 @@
+from fastapi import FastAPI
+from backend.routes.devices import router as device_router
+
+if __name__ == "__main__":
+    app = FastAPI(title="Device Service")
+    app.include_router(device_router, prefix="/devices")
+
+    import os, uvicorn
+    uvicorn.run(app, host="0.0.0.0", port=int(os.getenv("PORT", 8301)))

backend/services/gateway/Dockerfile

@@ -0,0 +1,14 @@
+# Gateway Service Dockerfile
+FROM backend/base:latest
+
+# Copy service-specific files
+COPY backend/app.py /app/backend/app.py
+COPY backend/main.py /app/backend/main.py
+COPY backend/dependencies.py /app/backend/dependencies.py
+COPY backend/security /app/backend/security/
+COPY backend/services/gateway/main.py /app/backend/services/gateway/main.py
+
+# Set service name for entrypoint
+ENV SERVICE_NAME=gateway
+
+EXPOSE 8301

backend/services/gateway/main.py

@@ -0,0 +1,6 @@
+# Gateway service - runs the main gateway app from backend/app.py
+
+if __name__ == "__main__":
+    from backend.app import app
+    import os, uvicorn
+    uvicorn.run(app, host="0.0.0.0", port=int(os.getenv("PORT", 8300)))

backend/services/messaging/Dockerfile

@@ -0,0 +1,12 @@
+# Messaging Service Dockerfile
+FROM backend/base:latest
+
+# Copy service-specific files
+COPY backend/routes/messaging.py /app/backend/routes/messaging.py
+COPY backend/websocket /app/backend/websocket/
+COPY backend/services/messaging/main.py /app/backend/services/messaging/main.py
+
+# Set service name for entrypoint
+ENV SERVICE_NAME=messaging
+
+EXPOSE 8301

backend/services/messaging/files/websocket/__init__.py

@@ -1,4 +1,4 @@
-from websocket.registry import WebSocketHandlerRegistry
+from .registry import WebSocketHandlerRegistry
 
 # Note: handler_registry and websocket_handler are not imported here to avoid circular dependency
 # Import them directly from websocket.handlers when needed

backend/services/messaging/files/websocket/handlers.py

@@ -6,8 +6,8 @@ from typing import Any
 from fastapi import HTTPException, WebSocket, Request
 from sqlalchemy.orm import Session
 
-from websocket.registry import WebSocketHandlerRegistry
-from routes.messaging import (
+from backend.services.messaging.files.websocket.registry import WebSocketHandlerRegistry
+from backend.routes.messaging import (
     MessaggingSocketManager,
     _send_message_internal,
     _edit_message_internal,
@@ -17,7 +17,7 @@ from routes.messaging import (
     add_reaction,
     add_dm_reaction,
 )
-from models import (
+from backend.shared.models import (
     User,
     SendMessageRequest,
     EditMessageRequest,
@@ -26,7 +26,7 @@ from models import (
     DMReactionRequest,
     UpdateLog,
 )
-from security.audit import log_access, log_dm
+from backend.security.audit import log_access, log_dm
 
 logger = logging.getLogger("uvicorn.error")
 

backend/services/messaging/files/websocket/utils.py

@@ -2,8 +2,8 @@ from fastapi import HTTPException
 from fastapi.security import HTTPAuthorizationCredentials
 from sqlalchemy.orm import Session
 from types import SimpleNamespace
-from dependencies import get_current_user
-from models import User
+from backend.shared.dependencies import get_current_user
+from backend.shared.models import User
 
 
 def extract_token_from_data(data: dict) -> str | None:

backend/services/messaging/main.py

@@ -0,0 +1,9 @@
+from fastapi import FastAPI
+from backend.routes.messaging import router as messaging_router
+
+if __name__ == "__main__":
+    app = FastAPI(title="Messaging Service")
+    app.include_router(messaging_router, prefix="/messaging")
+
+    import os, uvicorn
+    uvicorn.run(app, host="0.0.0.0", port=int(os.getenv("PORT", 8301)))

backend/services/migration_runner/Dockerfile

@@ -0,0 +1,15 @@
+# Migration Runner Dockerfile
+FROM backend/base:latest
+
+# Copy migration files
+COPY backend/alembic /app/backend/alembic/
+COPY backend/migration.py /app/backend/migration.py
+
+# Copy migration runner
+COPY backend/services/migration_runner/main.py /app/backend/services/migration_runner/main.py
+
+# Set service name for entrypoint
+ENV SERVICE_NAME=migration_runner
+
+# Override entrypoint to run migrations
+ENTRYPOINT ["python", "-m", "backend.services.migration_runner.main"]

backend/services/migration_runner/main.py

@@ -0,0 +1,51 @@
+#!/usr/bin/env python3
+"""
+Migration runner service - executes database migrations and exits.
+This service runs Alembic migrations against PostgreSQL and terminates.
+"""
+
+import os
+import sys
+from pathlib import Path
+from alembic import command
+from alembic.config import Config
+
+def run_migrations():
+    """Run Alembic migrations."""
+    print("Starting database migrations...")
+
+    # Change to backend directory to run migrations
+    backend_dir = Path(__file__).parent.parent.parent
+    os.chdir(backend_dir)
+
+    # Ensure shared models are imported for alembic
+    import backend.shared.models
+
+    # Set DATABASE_URL from environment if not set
+    db_url = os.getenv("DATABASE_URL")
+    if not db_url:
+        print("ERROR: DATABASE_URL environment variable not set")
+        sys.exit(1)
+
+    # Export DATABASE_URL for alembic
+    os.environ["DATABASE_URL"] = db_url
+
+    try:
+        # Use the robust migration system from migration.py
+        # This handles all edge cases and recovery scenarios automatically
+        print("Starting database migrations...")
+
+        # Import and run the migration function
+        from backend.migration import run_migrations
+        run_migrations()
+
+        print("Database migrations completed successfully!")
+
+    except Exception as e:
+        print(f"ERROR: Failed to run migrations: {e}")
+        import traceback
+        traceback.print_exc()
+        sys.exit(1)
+
+if __name__ == "__main__":
+    run_migrations()

backend/services/moderation/Dockerfile

@@ -0,0 +1,13 @@
+# Moderation Service Dockerfile
+FROM backend/base:latest
+
+# Copy service-specific files
+COPY backend/routes/moderation.py /app/backend/routes/moderation.py
+COPY backend/security/profanity.py /app/backend/security/profanity.py
+COPY backend/similarity.py /app/backend/similarity.py
+COPY backend/services/moderation/main.py /app/backend/services/moderation/main.py
+
+# Set service name for entrypoint
+ENV SERVICE_NAME=moderation
+
+EXPOSE 8301

backend/services/moderation/main.py

@@ -0,0 +1,9 @@
+from fastapi import FastAPI
+from backend.routes.moderation import router as moderation_router
+
+if __name__ == "__main__":
+    app = FastAPI(title="Moderation Service")
+    app.include_router(moderation_router, prefix="/moderation")
+
+    import os, uvicorn
+    uvicorn.run(app, host="0.0.0.0", port=int(os.getenv("PORT", 8301)))

backend/services/profile/Dockerfile

@@ -0,0 +1,11 @@
+# Profile Service Dockerfile
+FROM backend/base:latest
+
+# Copy service-specific files
+COPY backend/routes/profile.py /app/backend/routes/profile.py
+COPY backend/services/profile/main.py /app/backend/services/profile/main.py
+
+# Set service name for entrypoint
+ENV SERVICE_NAME=profile
+
+EXPOSE 8301

backend/services/profile/main.py

@@ -0,0 +1,9 @@
+from fastapi import FastAPI
+from backend.routes.profile import router as profile_router
+
+if __name__ == "__main__":
+    app = FastAPI(title="Profile Service")
+    app.include_router(profile_router, prefix="/profile")
+
+    import os, uvicorn
+    uvicorn.run(app, host="0.0.0.0", port=int(os.getenv("PORT", 8301)))

backend/services/push/Dockerfile

@@ -0,0 +1,12 @@
+# Push Service Dockerfile
+FROM backend/base:latest
+
+# Copy service-specific files
+COPY backend/routes/push.py /app/backend/routes/push.py
+COPY backend/push_service.py /app/backend/push_service.py
+COPY backend/services/push/main.py /app/backend/services/push/main.py
+
+# Set service name for entrypoint
+ENV SERVICE_NAME=push
+
+EXPOSE 8301

backend/services/push/files/push_service.py

@@ -4,8 +4,7 @@ import os
 from typing import List, Optional
 from sqlalchemy.orm import Session
 from pywebpush import webpush, WebPushException
-from models import PushSubscription, User, Message, DMEnvelope
-from models import FcmToken
+from backend.shared.models import PushSubscription, User, Message, DMEnvelope, FcmToken
 import firebase_admin
 from firebase_admin import credentials as firebase_credentials
 from firebase_admin import messaging as firebase_messaging

backend/services/push/main.py

@@ -0,0 +1,9 @@
+from fastapi import FastAPI
+from backend.routes.push import router as push_router
+
+if __name__ == "__main__":
+    app = FastAPI(title="Push Service")
+    app.include_router(push_router, prefix="/push")
+
+    import os, uvicorn
+    uvicorn.run(app, host="0.0.0.0", port=int(os.getenv("PORT", 8301)))

backend/services/webrtc/Dockerfile

@@ -0,0 +1,11 @@
+# WebRTC Service Dockerfile
+FROM backend/base:latest
+
+# Copy service-specific files
+COPY backend/routes/webrtc.py /app/backend/routes/webrtc.py
+COPY backend/services/webrtc/main.py /app/backend/services/webrtc/main.py
+
+# Set service name for entrypoint
+ENV SERVICE_NAME=webrtc
+
+EXPOSE 8301

backend/services/webrtc/main.py

@@ -0,0 +1,9 @@
+from fastapi import FastAPI
+from backend.routes.webrtc import router as webrtc_router
+
+if __name__ == "__main__":
+    app = FastAPI(title="WebRTC Service")
+    app.include_router(webrtc_router, prefix="/webrtc")
+
+    import os, uvicorn
+    uvicorn.run(app, host="0.0.0.0", port=int(os.getenv("PORT", 8301)))

backend/shared/__init__.py

@@ -0,0 +1 @@
+# Shared modules package

backend/shared/constants.py

@@ -0,0 +1,50 @@
+import os
+
+# Database
+DATABASE_URL = os.getenv("DATABASE_URL", "sqlite:///data/database.db")
+
+# JWT
+JWT_SECRET_KEY = os.getenv("JWT_SECRET", "default-jwt-secret-for-development")
+JWT_ALGORITHM = "HS256"
+# Token inactivity expiration - token expires if not used for this duration
+TOKEN_INACTIVITY_EXPIRE_HOURS = 30 * 24  # 30 days of inactivity
+# Maximum token lifetime (safety net) - tokens expire after this regardless of usage
+MAX_TOKEN_LIFETIME_HOURS = 365 * 24  # 1 year maximum
+
+# Owner user
+OWNER_USERNAME = os.getenv("OWNER_USERNAME", "owner")
+
+# Push notifications
+VAPID_PRIVATE_KEY = os.getenv("VAPID_PRIVATE_KEY", "")
+VAPID_PUBLIC_KEY = os.getenv("VAPID_PUBLIC_KEY", "")
+VAPID_SUBJECT = os.getenv("VAPID_SUBJECT", "mailto:admin@example.com")
+
+# Rate limiting
+RATE_LIMIT_REQUESTS = int(os.getenv("RATE_LIMIT_REQUESTS", "100"))
+RATE_LIMIT_WINDOW = int(os.getenv("RATE_LIMIT_WINDOW", "60"))
+
+# File uploads
+MAX_UPLOAD_SIZE = int(os.getenv("MAX_UPLOAD_SIZE", "10485760"))  # 10MB
+ALLOWED_EXTENSIONS = {".jpg", ".jpeg", ".png", ".gif", ".webp", ".mp4", ".mov", ".avi", ".mp3", ".wav"}
+
+# WebSocket
+WEBSOCKET_PING_INTERVAL = 30
+WEBSOCKET_PING_TIMEOUT = 60
+
+# Encryption
+ENCRYPTION_KEY_LENGTH = 32
+ENCRYPTION_NONCE_LENGTH = 12
+
+# Moderation
+PROFANITY_THRESHOLD = float(os.getenv("PROFANITY_THRESHOLD", "0.8"))
+SIMILARITY_THRESHOLD = float(os.getenv("SIMILARITY_THRESHOLD", "0.85"))
+
+# WebRTC
+WEBRTC_ICE_SERVERS = [
+    {"urls": "stun:stun.l.google.com:19302"},
+    {"urls": "stun:stun1.l.google.com:19302"}
+]
+
+# Logging
+LOG_LEVEL = os.getenv("LOG_LEVEL", "INFO")
+LOG_FORMAT = "%(asctime)s - %(name)s - %(levelname)s - %(message)s"

backend/shared/db.py

@@ -0,0 +1,62 @@
+import os
+from sqlalchemy.orm import sessionmaker, Session
+from sqlalchemy import create_engine
+from .constants import DATABASE_URL
+
+# Database connection settings
+POOL_SIZE = int(os.getenv("DB_POOL_SIZE", "20"))
+MAX_OVERFLOW = int(os.getenv("DB_MAX_OVERFLOW", "40"))
+POOL_RECYCLE = int(os.getenv("DB_POOL_RECYCLE", "1800"))
+POOL_TIMEOUT = int(os.getenv("DB_POOL_TIMEOUT", "30"))
+
+POOL_CONFIG = {
+    "pool_size": POOL_SIZE,
+    "max_overflow": MAX_OVERFLOW,
+    "pool_recycle": POOL_RECYCLE,
+    "pool_timeout": POOL_TIMEOUT,
+    "pool_pre_ping": True,
+}
+
+def create_engine_from_url(database_url: str):
+    """Create SQLAlchemy engine from database URL."""
+    connect_args = {}
+    if database_url.startswith("sqlite"):
+        connect_args["check_same_thread"] = False
+
+    engine_kwargs = {
+        "pool_size": POOL_SIZE,
+        "max_overflow": MAX_OVERFLOW,
+        "pool_recycle": POOL_RECYCLE,
+        "pool_pre_ping": True,
+        "pool_timeout": POOL_TIMEOUT,
+    }
+
+    engine = create_engine(
+        database_url,
+        connect_args=connect_args,
+        **engine_kwargs,
+    )
+
+    return engine
+
+# Create engine - this should be called by each service with its own DATABASE_URL
+def get_engine(database_url: str = None):
+    """Get SQLAlchemy engine for the given database URL."""
+    url = database_url or DATABASE_URL
+    return create_engine_from_url(url)
+
+# Session factory - create per service
+def get_session_factory(database_url: str = None):
+    """Get session factory for the given database URL."""
+    engine = get_engine(database_url)
+    return sessionmaker(autocommit=False, autoflush=False, bind=engine)
+
+# Dependency for FastAPI - create per service
+def get_db(database_url: str = None):
+    """FastAPI dependency to get database session."""
+    SessionLocal = get_session_factory(database_url)
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()

backend/shared/dependencies.py

@@ -0,0 +1,122 @@
+from datetime import datetime, timedelta
+from fastapi import Depends, HTTPException, Request, status
+from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer
+from sqlalchemy.orm import Session
+from backend.shared.utils import verify_token
+from backend.shared.models import User, DeviceSession
+from backend.shared.db import get_session_factory
+import logging
+
+security = HTTPBearer()
+logger = logging.getLogger("uvicorn.error")
+
+# Зависимость для получения сессии БД
+SessionLocal = get_session_factory()
+
+def get_db():
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()
+
+# Зависимость для получения текущего пользователя
+def get_current_user(
+    request: Request,
+    credentials: HTTPAuthorizationCredentials = Depends(security),
+    db: Session = Depends(get_db),
+) -> User:
+    token = credentials.credentials
+    try:
+        payload = verify_token(token)
+    except Exception as e:
+        logger.warning("get_current_user: token verification error: %s", str(e))
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Invalid or expired token",
+            headers={"WWW-Authenticate": "Bearer"},
+        )
+    if not payload:
+        logger.info("get_current_user: verify_token returned empty payload")
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Invalid or expired token",
+            headers={"WWW-Authenticate": "Bearer"},
+        )
+    user = db.query(User).filter(User.id == payload["user_id"]).first()
+    if not user:
+        logger.info("get_current_user: user not found for user_id=%s", payload.get("user_id"))
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="User not found",
+            headers={"WWW-Authenticate": "Bearer"},
+        )
+
+    if user.id == 1 and user.suspended:
+        user.suspended = False
+        user.suspension_reason = None
+        db.commit()
+        db.refresh(user)
+
+    # Validate device session from JWT
+    session_id = payload.get("session_id")
+    if not session_id:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Invalid session",
+            headers={"WWW-Authenticate": "Bearer"},
+        )
+
+    device_session = (
+        db.query(DeviceSession)
+        .filter(DeviceSession.user_id == user.id, DeviceSession.session_id == session_id)
+        .first()
+    )
+
+    if not device_session or device_session.revoked:
+        logger.info("get_current_user: session missing/revoked for user_id=%s session_id=%s", user.id, session_id)
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Session revoked or not found",
+            headers={"WWW-Authenticate": "Bearer"},
+        )
+
+    # Check if session has been inactive for too long (sliding expiration)
+    from backend.shared.constants import TOKEN_INACTIVITY_EXPIRE_HOURS
+    inactivity_threshold = datetime.now() - timedelta(hours=TOKEN_INACTIVITY_EXPIRE_HOURS)
+    if device_session.last_seen < inactivity_threshold:
+        # Session expired due to inactivity - revoke it
+        device_session.revoked = True
+        db.commit()
+        logger.info("get_current_user: session expired due to inactivity for user_id=%s session_id=%s", user.id, session_id)
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Session expired due to inactivity",
+            headers={"WWW-Authenticate": "Bearer"},
+        )
+
+    # Touch last_seen on valid session (sliding expiration - extends token life)
+    device_session.last_seen = datetime.now()
+    db.commit()
+
+    # Check if user is suspended
+    if user.suspended:
+        logger.info("get_current_user: account suspended for user_id=%s reason=%s", user.id, user.suspension_reason)
+        raise HTTPException(
+            status_code=status.HTTP_403_FORBIDDEN,
+            detail="Account suspended",
+            headers={"suspension_reason": user.suspension_reason or "No reason provided"},
+        )
+
+    # Check if user is deleted
+    if user.deleted:
+        logger.info("get_current_user: account deleted for user_id=%s", user.id)
+        raise HTTPException(
+            status_code=status.HTTP_403_FORBIDDEN,
+            detail="Account deleted",
+        )
+
+    request.state.current_user = user
+    request.state.session_id = session_id
+
+    return user

backend/shared/models.py

@@ -0,0 +1,423 @@
+from sqlalchemy import Column, Integer, String, Text, DateTime, Boolean, ForeignKey, Float, JSON, BigInteger, UniqueConstraint
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import relationship
+from datetime import datetime
+import json
+from pydantic import BaseModel
+
+Base = declarative_base()
+
+class User(Base):
+    __tablename__ = "users"
+    __table_args__ = {"schema": "account_schema"}
+
+    id = Column(BigInteger, primary_key=True, index=True)
+    username = Column(String(50), unique=True, index=True, nullable=False)
+    hashed_password = Column(String(255), nullable=False)
+    salt = Column(String(64), nullable=False)
+    display_name = Column(String(100), nullable=True)
+    bio = Column(Text, nullable=True)
+    avatar_url = Column(String(255), nullable=True)
+    is_online = Column(Boolean, default=False)
+    last_seen = Column(DateTime, default=datetime.utcnow)
+    created_at = Column(DateTime, default=datetime.utcnow)
+    updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
+    verified = Column(Boolean, default=False)
+    verification_token = Column(String(255), nullable=True)
+    reset_token = Column(String(255), nullable=True)
+    reset_token_expires = Column(DateTime, nullable=True)
+    two_factor_enabled = Column(Boolean, default=False)
+    two_factor_secret = Column(String(255), nullable=True)
+    login_attempts = Column(Integer, default=0)
+    locked_until = Column(DateTime, nullable=True)
+    public_key = Column(Text, nullable=True)
+    private_key = Column(Text, nullable=True)
+    encryption_enabled = Column(Boolean, default=False)
+    suspended = Column(Boolean, default=False)
+    suspension_reason = Column(Text, nullable=True)
+    deleted = Column(Boolean, default=False)
+
+    # Relationships
+    messages = relationship("Message", back_populates="sender", cascade="all, delete-orphan")
+    message_recipients = relationship("MessageRecipient", back_populates="recipient", cascade="all, delete-orphan")
+    devices = relationship("Device", back_populates="user", cascade="all, delete-orphan")
+    push_subscriptions = relationship("PushSubscription", back_populates="user", cascade="all, delete-orphan")
+
+class Message(Base):
+    __tablename__ = "messages"
+    __table_args__ = {"schema": "messaging_schema"}
+
+    id = Column(BigInteger, primary_key=True, index=True)
+    sender_id = Column(BigInteger, ForeignKey("account_schema.users.id"), nullable=False, index=True)
+    content = Column(Text, nullable=False)
+    content_type = Column(String(50), default="text")
+    encrypted_content = Column(Text, nullable=True)
+    signature = Column(Text, nullable=True)
+    timestamp = Column(DateTime, default=datetime.utcnow, index=True)
+    edited_at = Column(DateTime, nullable=True)
+    edited = Column(Boolean, default=False)
+    deleted = Column(Boolean, default=False)
+    reply_to_id = Column(BigInteger, ForeignKey("messaging_schema.messages.id"), nullable=True)
+    thread_id = Column(BigInteger, ForeignKey("messaging_schema.messages.id"), nullable=True)
+    is_public = Column(Boolean, default=False)
+
+    # Relationships
+    sender = relationship("User", back_populates="messages")
+    recipients = relationship("MessageRecipient", back_populates="message", cascade="all, delete-orphan")
+    reply_to = relationship("Message", remote_side=[id], foreign_keys=[reply_to_id])
+    thread = relationship("Message", remote_side=[id], foreign_keys=[thread_id])
+    reactions = relationship("MessageReaction", back_populates="message", cascade="all, delete-orphan")
+    files = relationship("MessageFile", back_populates="message", cascade="all, delete-orphan")
+
+class MessageRecipient(Base):
+    __tablename__ = "message_recipients"
+    __table_args__ = {"schema": "messaging_schema"}
+
+    id = Column(BigInteger, primary_key=True, index=True)
+    message_id = Column(BigInteger, ForeignKey("messaging_schema.messages.id"), nullable=False, index=True)
+    recipient_id = Column(BigInteger, ForeignKey("account_schema.users.id"), nullable=False, index=True)
+    read_at = Column(DateTime, nullable=True)
+    delivered_at = Column(DateTime, nullable=True)
+    encrypted_key = Column(Text, nullable=True)
+
+    # Relationships
+    message = relationship("Message", back_populates="recipients")
+    recipient = relationship("User", back_populates="message_recipients")
+
+class MessageReaction(Base):
+    __tablename__ = "message_reactions"
+    __table_args__ = {"schema": "messaging_schema"}
+
+    id = Column(BigInteger, primary_key=True, index=True)
+    message_id = Column(BigInteger, ForeignKey("messaging_schema.messages.id"), nullable=False, index=True)
+    user_id = Column(BigInteger, ForeignKey("account_schema.users.id"), nullable=False, index=True)
+    reaction = Column(String(50), nullable=False)
+    created_at = Column(DateTime, default=datetime.utcnow)
+
+    # Relationships
+    message = relationship("Message", back_populates="reactions")
+
+class Device(Base):
+    __tablename__ = "devices"
+    __table_args__ = {"schema": "device_schema"}
+
+    id = Column(BigInteger, primary_key=True, index=True)
+    user_id = Column(BigInteger, ForeignKey("account_schema.users.id"), nullable=False, index=True)
+    device_id = Column(String(255), unique=True, nullable=False, index=True)
+    device_name = Column(String(255), nullable=True)
+    device_type = Column(String(50), nullable=True)
+    public_key = Column(Text, nullable=True)
+    signed_prekey = Column(Text, nullable=True)
+    one_time_prekeys = Column(JSON, nullable=True)
+    last_active = Column(DateTime, default=datetime.utcnow)
+    created_at = Column(DateTime, default=datetime.utcnow)
+
+    # Relationships
+    user = relationship("User", back_populates="devices")
+    push_subscriptions = relationship("PushSubscription", back_populates="device", cascade="all, delete-orphan")
+
+class PushSubscription(Base):
+    __tablename__ = "push_subscriptions"
+    __table_args__ = {"schema": "push_schema"}
+
+    id = Column(BigInteger, primary_key=True, index=True)
+    user_id = Column(BigInteger, ForeignKey("account_schema.users.id"), nullable=False, index=True)
+    device_id = Column(BigInteger, ForeignKey("device_schema.devices.id"), nullable=True, index=True)
+    endpoint = Column(String(500), nullable=False)
+    p256dh = Column(String(255), nullable=False)
+    auth = Column(String(255), nullable=False)
+    user_agent = Column(String(500), nullable=True)
+    created_at = Column(DateTime, default=datetime.utcnow)
+
+    # Relationships
+    user = relationship("User", back_populates="push_subscriptions")
+    device = relationship("Device", back_populates="push_subscriptions")
+
+class WebRTCSession(Base):
+    __tablename__ = "webrtc_sessions"
+    __table_args__ = {"schema": "webrtc_schema"}
+
+    id = Column(BigInteger, primary_key=True, index=True)
+    session_id = Column(String(255), unique=True, nullable=False, index=True)
+    initiator_id = Column(BigInteger, ForeignKey("account_schema.users.id"), nullable=False)
+    participant_ids = Column(JSON, nullable=False)
+    offer = Column(JSON, nullable=True)
+    answer = Column(JSON, nullable=True)
+    ice_candidates = Column(JSON, nullable=True)
+    status = Column(String(50), default="pending")
+    created_at = Column(DateTime, default=datetime.utcnow)
+    updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
+
+class ModerationAction(Base):
+    __tablename__ = "moderation_actions"
+    __table_args__ = {"schema": "moderation_schema"}
+
+    id = Column(BigInteger, primary_key=True, index=True)
+    moderator_id = Column(BigInteger, ForeignKey("account_schema.users.id"), nullable=False)
+    target_user_id = Column(BigInteger, ForeignKey("account_schema.users.id"), nullable=True)
+    target_message_id = Column(BigInteger, ForeignKey("messaging_schema.messages.id"), nullable=True)
+    action_type = Column(String(50), nullable=False)
+    reason = Column(Text, nullable=True)
+    created_at = Column(DateTime, default=datetime.utcnow)
+    expires_at = Column(DateTime, nullable=True)
+
+
+class MessageFile(Base):
+    __tablename__ = "message_file"
+    __table_args__ = {"schema": "messaging_schema"}
+
+    id = Column(Integer, primary_key=True, index=True)
+    message_id = Column(BigInteger, ForeignKey("messaging_schema.messages.id"), nullable=False, index=True)
+    path = Column(Text, nullable=False)
+    name = Column(Text, nullable=False)
+
+    message = relationship("Message", back_populates="files")
+
+
+class CryptoPublicKey(Base):
+    __tablename__ = "crypto_public_key"
+
+    id = Column(Integer, primary_key=True, index=True)
+    user_id = Column(BigInteger, ForeignKey("account_schema.users.id"), nullable=False, unique=True)
+    public_key_b64 = Column(Text, nullable=False)
+
+
+class CryptoBackup(Base):
+    __tablename__ = "crypto_backup"
+
+    id = Column(Integer, primary_key=True, index=True)
+    user_id = Column(BigInteger, ForeignKey("account_schema.users.id"), nullable=False, unique=True)
+    blob_json = Column(Text, nullable=False)
+
+
+class DMEnvelope(Base):
+    __tablename__ = "dm_envelope"
+    __table_args__ = {"schema": "messaging_schema"}
+
+    id = Column(Integer, primary_key=True, index=True)
+    sender_id = Column(BigInteger, ForeignKey("account_schema.users.id"), nullable=False)
+    recipient_id = Column(BigInteger, ForeignKey("account_schema.users.id"), nullable=False)
+    iv_b64 = Column(Text, nullable=False)
+    ciphertext_b64 = Column(Text, nullable=False)
+    salt_b64 = Column(Text, nullable=False)
+    iv2_b64 = Column(Text, nullable=False)
+    wrapped_mk_b64 = Column(Text, nullable=False)
+    reply_to_id = Column(Integer, nullable=True)
+    timestamp = Column(DateTime, default=datetime.now)
+    files = relationship("DMFile", back_populates="message", cascade="all, delete-orphan", lazy="select")
+    reactions = relationship("DMReaction", cascade="all, delete-orphan", lazy="select")
+
+
+class DMFile(Base):
+    __tablename__ = "dm_file"
+    __table_args__ = {"schema": "messaging_schema"}
+
+    id = Column(Integer, primary_key=True, index=True)
+    message_id = Column(Integer, ForeignKey("messaging_schema.dm_envelope.id"), nullable=False, index=True)
+    sender_id = Column(BigInteger, ForeignKey("account_schema.users.id"), nullable=False)
+    recipient_id = Column(BigInteger, ForeignKey("account_schema.users.id"), nullable=False)
+    name = Column(Text, nullable=False)
+    path = Column(Text, nullable=False)
+
+    message = relationship("DMEnvelope", back_populates="files")
+
+
+class FcmToken(Base):
+    __tablename__ = "fcm_token"
+    __table_args__ = {"schema": "push_schema"}
+
+    id = Column(Integer, primary_key=True, index=True)
+    user_id = Column(BigInteger, ForeignKey("account_schema.users.id"), nullable=False, index=True)
+    token = Column(Text, nullable=False, unique=True)
+    created_at = Column(DateTime, default=datetime.now)
+    updated_at = Column(DateTime, default=datetime.now, onupdate=datetime.now)
+
+
+class Reaction(Base):
+    __tablename__ = "reaction"
+    __table_args__ = {"schema": "messaging_schema"}
+
+    id = Column(Integer, primary_key=True, index=True)
+    message_id = Column(BigInteger, ForeignKey("messaging_schema.messages.id"), nullable=False, index=True)
+    user_id = Column(BigInteger, ForeignKey("account_schema.users.id"), nullable=False)
+    emoji = Column(String(10), nullable=False)  # Store emoji as string
+    timestamp = Column(DateTime, default=datetime.now)
+
+    # Relationships
+    user = relationship("User")
+
+    # Ensure unique combination of message, user, and emoji
+    __table_args__ = (UniqueConstraint('message_id', 'user_id', 'emoji', name='unique_reaction'),)
+
+
+class DMReaction(Base):
+    __tablename__ = "dm_reaction"
+    __table_args__ = {"schema": "messaging_schema"}
+
+    id = Column(Integer, primary_key=True, index=True)
+    dm_envelope_id = Column(Integer, ForeignKey("messaging_schema.dm_envelope.id"), nullable=False, index=True)
+    user_id = Column(BigInteger, ForeignKey("account_schema.users.id"), nullable=False)
+    emoji = Column(String(10), nullable=False)  # Store emoji as string
+    timestamp = Column(DateTime, default=datetime.now)
+
+    # Relationships
+    user = relationship("User")
+    dm_envelope = relationship("DMEnvelope", overlaps="reactions")
+
+    # Ensure unique combination of dm_envelope, user, and emoji
+    __table_args__ = (UniqueConstraint('dm_envelope_id', 'user_id', 'emoji', name='unique_dm_reaction'),)
+
+
+# Tracks authenticated device sessions per user
+class DeviceSession(Base):
+    __tablename__ = "device_session"
+    __table_args__ = {"schema": "device_schema"}
+
+    id = Column(Integer, primary_key=True, index=True)
+    user_id = Column(BigInteger, ForeignKey("account_schema.users.id"), nullable=False, index=True)
+
+    # Raw User-Agent for reference/debugging
+    raw_user_agent = Column(Text, nullable=True)
+
+    # Parsed fields
+    device_name = Column(String(128), nullable=True)
+    device_type = Column(String(32), nullable=True)  # desktop/mobile/tablet/bot/unknown
+    os_name = Column(String(64), nullable=True)
+    os_version = Column(String(64), nullable=True)
+    browser_name = Column(String(64), nullable=True)
+    browser_version = Column(String(64), nullable=True)
+    brand = Column(String(64), nullable=True)
+    model = Column(String(64), nullable=True)
+
+    # Session identity embedded into JWTs
+    session_id = Column(String(64), unique=True, nullable=False, index=True)
+
+    # Lifecycle
+    created_at = Column(DateTime, default=datetime.now)
+    last_seen = Column(DateTime, default=datetime.now)
+    revoked = Column(Boolean, default=False)
+
+    # Relationship back to user (optional lazy to avoid heavy loads)
+    user = relationship("User", lazy="select")
+
+
+# Pydantic models
+class LoginRequest(BaseModel):
+    username: str
+    password: str
+
+
+class RegisterRequest(BaseModel):
+    username: str
+    display_name: str
+    password: str
+    confirm_password: str
+
+
+class ChangePasswordRequest(BaseModel):
+    currentPasswordDerived: str
+    newPasswordDerived: str
+    logoutAllExceptCurrent: bool = False
+
+
+class SendMessageRequest(BaseModel):
+    content: str
+    reply_to_id: int | None = None
+
+
+class EditMessageRequest(BaseModel):
+    content: str
+
+
+class DeleteMessageRequest(BaseModel):
+    message_id: int
+
+
+class UpdateBioRequest(BaseModel):
+    bio: str
+
+
+class PushSubscriptionRequest(BaseModel):
+    endpoint: str
+    keys: dict
+
+
+class UserProfileResponse(BaseModel):
+    id: int
+    username: str
+    display_name: str
+    profile_picture: str | None
+    bio: str | None
+    online: bool
+    last_seen: datetime | None
+    created_at: datetime | None
+    verified: bool
+    suspended: bool
+    suspension_reason: str | None
+    deleted: bool
+
+    class Config:
+        from_attributes = True
+
+
+class MessageResponse(BaseModel):
+    id: int
+    content: str
+    timestamp: datetime
+    is_author: bool
+    is_read: bool
+    username: str
+    profile_picture: str | None
+
+    class Config:
+        from_attributes = True
+
+
+class ReactionRequest(BaseModel):
+    message_id: int
+    emoji: str
+
+
+class ReactionResponse(BaseModel):
+    id: int
+    message_id: int
+    user_id: int
+    emoji: str
+    timestamp: datetime
+    username: str
+
+    class Config:
+        from_attributes = True
+
+
+class DMReactionRequest(BaseModel):
+    dm_envelope_id: int
+    emoji: str
+
+
+class DMReactionResponse(BaseModel):
+    id: int
+    dm_envelope_id: int
+    user_id: int
+    emoji: str
+    timestamp: datetime
+    username: str
+
+    class Config:
+        from_attributes = True
+
+
+class UpdateLog(Base):
+    """Stores update sequence numbers and updates for gap detection"""
+    __tablename__ = "update_log"
+    __table_args__ = {"schema": "public"}
+
+    id = Column(Integer, primary_key=True, index=True)
+    user_id = Column(BigInteger, ForeignKey("account_schema.users.id"), nullable=False, index=True)
+    sequence = Column(Integer, nullable=False, index=True)
+    updates = Column(Text, nullable=False)  # JSON array of updates
+    timestamp = Column(DateTime, default=datetime.now, index=True)
+
+    __table_args__ = (
+        UniqueConstraint("user_id", "sequence", name="uq_user_sequence"),
+    )

backend/shared/utils.py

@@ -0,0 +1,234 @@
+import secrets
+import string
+import hashlib
+import hmac
+import base64
+import json
+from datetime import datetime, timedelta
+from typing import Optional
+import re
+from cryptography.hazmat.primitives import hashes
+from cryptography.hazmat.primitives.kdf.pbkdf2 import PBKDF2HMAC
+from cryptography.hazmat.backends import default_backend
+import nacl.secret
+import nacl.utils
+from fastapi import Request
+import jwt
+import bcrypt
+from backend.shared.constants import JWT_SECRET_KEY, JWT_ALGORITHM, MAX_TOKEN_LIFETIME_HOURS
+import ipaddress
+
+def generate_secure_token(length: int = 32) -> str:
+    """Generate a cryptographically secure random token."""
+    alphabet = string.ascii_letters + string.digits
+    return ''.join(secrets.choice(alphabet) for _ in range(length))
+
+def hash_password(password: str, salt: Optional[bytes] = None) -> tuple[str, bytes]:
+    """Hash a password with PBKDF2 and return (hash, salt)."""
+    if salt is None:
+        salt = secrets.token_bytes(32)
+
+    kdf = PBKDF2HMAC(
+        algorithm=hashes.SHA256(),
+        length=32,
+        salt=salt,
+        iterations=100000,
+        backend=default_backend()
+    )
+
+    key = kdf.derive(password.encode())
+    return base64.b64encode(key).decode(), salt
+
+def verify_password(password: str, hashed: str, salt: bytes) -> bool:
+    """Verify a password against its hash and salt."""
+    try:
+        key = base64.b64decode(hashed)
+        kdf = PBKDF2HMAC(
+            algorithm=hashes.SHA256(),
+            length=32,
+            salt=salt,
+            iterations=100000,
+            backend=default_backend()
+        )
+        kdf.verify(password.encode(), key)
+        return True
+    except:
+        return False
+
+def generate_verification_token() -> str:
+    """Generate a verification token for email verification."""
+    return generate_secure_token(64)
+
+def generate_reset_token() -> str:
+    """Generate a password reset token."""
+    return generate_secure_token(64)
+
+def get_client_ip(request: Request) -> str:
+    """Extract the real client IP from the request."""
+    # Check X-Forwarded-For header first
+    forwarded_for = request.headers.get("X-Forwarded-For")
+    if forwarded_for:
+        # Take the first IP in case of multiple proxies
+        client_ip = forwarded_for.split(",")[0].strip()
+        try:
+            # Validate IP address
+            ipaddress.ip_address(client_ip)
+            return client_ip
+        except ValueError:
+            pass
+
+    # Check X-Real-IP header
+    real_ip = request.headers.get("X-Real-IP")
+    if real_ip:
+        try:
+            ipaddress.ip_address(real_ip)
+            return real_ip
+        except ValueError:
+            pass
+
+    # Fallback to request.client.host
+    client_host = request.client.host if request.client else "unknown"
+    try:
+        ipaddress.ip_address(client_host)
+        return client_host
+    except ValueError:
+        return "unknown"
+
+def validate_email(email: str) -> bool:
+    """Validate email address format."""
+    pattern = r'^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$'
+    return re.match(pattern, email) is not None
+
+def validate_username(username: str) -> bool:
+    """Validate username format."""
+    if not username or len(username) < 3 or len(username) > 50:
+        return False
+
+    # Allow alphanumeric, underscore, and hyphen
+    pattern = r'^[a-zA-Z0-9_-]+$'
+    return re.match(pattern, username) is not None
+
+def sanitize_filename(filename: str) -> str:
+    """Sanitize filename to prevent directory traversal."""
+    return re.sub(r'[^\w\.-]', '_', filename)
+
+def generate_file_hash(content: bytes) -> str:
+    """Generate SHA256 hash of file content."""
+    return hashlib.sha256(content).hexdigest()
+
+def encrypt_data(data: str, key: bytes) -> str:
+    """Encrypt data using NaCl secret box."""
+    box = nacl.secret.SecretBox(key)
+    encrypted = box.encrypt(data.encode())
+    return base64.b64encode(encrypted).decode()
+
+def decrypt_data(encrypted_data: str, key: bytes) -> str:
+    """Decrypt data using NaCl secret box."""
+    box = nacl.secret.SecretBox(key)
+    encrypted = base64.b64decode(encrypted_data)
+    decrypted = box.decrypt(encrypted)
+    return decrypted.decode()
+
+def generate_encryption_key() -> bytes:
+    """Generate a new encryption key."""
+    return nacl.utils.random(nacl.secret.SecretBox.KEY_SIZE)
+
+def format_datetime(dt: datetime) -> str:
+    """Format datetime for API responses."""
+    return dt.isoformat()
+
+def parse_datetime(dt_str: str) -> Optional[datetime]:
+    """Parse datetime from API requests."""
+    try:
+        return datetime.fromisoformat(dt_str.replace('Z', '+00:00'))
+    except:
+        return None
+
+def calculate_age(birth_date: datetime) -> int:
+    """Calculate age from birth date."""
+    today = datetime.now()
+    age = today.year - birth_date.year
+    if today.month < birth_date.month or (today.month == birth_date.month and today.day < birth_date.day):
+        age -= 1
+    return age
+
+def truncate_text(text: str, max_length: int, suffix: str = "...") -> str:
+    """Truncate text to max length with suffix."""
+    if len(text) <= max_length:
+        return text
+    return text[:max_length - len(suffix)] + suffix
+
+def is_valid_url(url: str) -> bool:
+    """Validate URL format."""
+    pattern = r'^https?://[^\s/$.?#].[^\s]*$'
+    return re.match(pattern, url) is not None
+
+def generate_device_id() -> str:
+    """Generate a unique device identifier."""
+    return generate_secure_token(32)
+
+def normalize_phone_number(phone: str) -> str:
+    """Normalize phone number format."""
+    # Remove all non-digit characters except +
+    normalized = re.sub(r'[^\d+]', '', phone)
+
+    # Ensure it starts with +
+    if not normalized.startswith('+'):
+        if normalized.startswith('00'):
+            normalized = '+' + normalized[2:]
+        else:
+            normalized = '+' + normalized
+
+    return normalized
+
+
+def create_token(user_id: int, username: str, session_id: str) -> str:
+    # Set a long expiration as safety net (actual expiration based on inactivity)
+    expire = datetime.now() + timedelta(hours=MAX_TOKEN_LIFETIME_HOURS)
+    payload = {
+        "user_id": user_id,
+        "username": username,
+        "session_id": session_id,
+        "exp": int(expire.timestamp())  # JWT exp must be Unix timestamp (int)
+    }
+    return jwt.encode(payload, JWT_SECRET_KEY, algorithm=JWT_ALGORITHM)
+
+
+def get_password_hash(password: str) -> str:
+    return bcrypt.hashpw(password.encode("utf-8"), bcrypt.gensalt()).decode("utf-8")
+
+
+def verify_password(plain_password: str, hashed_password: str) -> bool:
+    return bcrypt.checkpw(plain_password.encode("utf-8"), hashed_password.encode("utf-8"))
+
+
+def verify_token(token: str) -> Optional[dict]:
+    try:
+        payload = jwt.decode(token, JWT_SECRET_KEY, algorithms=[JWT_ALGORITHM])
+        return payload
+    except jwt.ExpiredSignatureError:
+        return None
+    except jwt.InvalidTokenError:
+        return None
+
+
+def _is_admin(user) -> bool:
+    return user.id == 1
+
+
+def convert_user(user) -> dict:
+    return {
+        "id": user.id,
+        "created_at": user.created_at.isoformat(),
+        "last_seen": user.last_seen.isoformat(),
+        "online": user.online,
+        "username": user.username,
+        "display_name": user.display_name,
+        "profile_picture": user.profile_picture,
+        "bio": user.bio,
+        "admin": _is_admin(user),
+        "verified": user.verified,
+        "suspended": user.suspended or False,
+        "suspension_reason": user.suspension_reason,
+        "deleted": (user.deleted or user.suspended) or False  # Treat suspended as deleted
+    }

backend/shared/validation.py

@@ -0,0 +1,132 @@
+from typing import Optional
+from pydantic import BaseModel, EmailStr, Field, validator
+import re
+
+
+def is_valid_username(username: str) -> bool:
+    if len(username) < 3 or len(username) > 20:
+        return False
+    # Only allow English letters, numbers, dashes and underscores
+    if not re.match(r'^[a-zA-Z0-9_-]+$', username):
+        return False
+    return True
+
+
+def is_valid_display_name(display_name: str) -> bool:
+    if len(display_name) < 1 or len(display_name) > 64:
+        return False
+    # Check if not blank (only whitespace)
+    if not display_name.strip():
+        return False
+    return True
+
+
+def is_valid_password(password: str) -> bool:
+    if len(password) < 5 or len(password) > 50:
+        return False
+    if re.search(r'[\s\u180E\u200B-\u200D\u2060\uFEFF]', password):
+        return False
+    return True
+
+class UserCreate(BaseModel):
+    username: str = Field(min_length=3, max_length=50)
+    email: EmailStr
+    password: str = Field(min_length=8, max_length=128)
+    display_name: Optional[str] = Field(None, max_length=100)
+
+    @validator('username')
+    def username_alphanumeric(cls, v):
+        if not re.match(r'^[a-zA-Z0-9_-]+$', v):
+            raise ValueError('Username must be alphanumeric with underscores or hyphens')
+        return v
+
+    @validator('password')
+    def password_strength(cls, v):
+        if not re.search(r'[A-Z]', v):
+            raise ValueError('Password must contain at least one uppercase letter')
+        if not re.search(r'[a-z]', v):
+            raise ValueError('Password must contain at least one lowercase letter')
+        if not re.search(r'\d', v):
+            raise ValueError('Password must contain at least one digit')
+        return v
+
+class UserLogin(BaseModel):
+    username_or_email: str = Field(min_length=1, max_length=100)
+    password: str = Field(min_length=1, max_length=128)
+
+class UserUpdate(BaseModel):
+    display_name: Optional[str] = Field(None, max_length=100)
+    bio: Optional[str] = Field(None, max_length=500)
+    avatar_url: Optional[str] = Field(None, max_length=255)
+
+    @validator('avatar_url')
+    def validate_avatar_url(cls, v):
+        if v and not v.startswith(('http://', 'https://')):
+            raise ValueError('Avatar URL must be a valid HTTP/HTTPS URL')
+        return v
+
+class MessageCreate(BaseModel):
+    content: str = Field(min_length=1, max_length=10000)
+    content_type: str = Field(default="text", pattern=r'^(text|image|video|audio|file)$')
+    reply_to_id: Optional[int] = None
+    recipient_ids: list[int] = Field(min_items=1, max_items=100)
+
+class MessageUpdate(BaseModel):
+    content: str = Field(min_length=1, max_length=10000)
+
+class DeviceRegister(BaseModel):
+    device_id: str = Field(min_length=1, max_length=255)
+    device_name: Optional[str] = Field(None, max_length=255)
+    device_type: Optional[str] = Field(None, max_length=50)
+    public_key: Optional[str] = Field(None, max_length=10000)
+
+class PushSubscriptionCreate(BaseModel):
+    endpoint: str = Field(max_length=500)
+    p256dh: str = Field(max_length=255)
+    auth: str = Field(max_length=255)
+    device_id: Optional[str] = Field(None, max_length=255)
+
+class WebRTCOffer(BaseModel):
+    offer: dict
+    participant_ids: list[int] = Field(min_items=1, max_items=10)
+
+class WebRTCAnswer(BaseModel):
+    answer: dict
+    session_id: str = Field(max_length=255)
+
+class WebRTCIceCandidate(BaseModel):
+    candidate: dict
+    session_id: str = Field(max_length=255)
+
+class ModerationActionCreate(BaseModel):
+    target_user_id: Optional[int] = None
+    target_message_id: Optional[int] = None
+    action_type: str = Field(pattern=r'^(ban|mute|delete|warn)$')
+    reason: Optional[str] = Field(None, max_length=1000)
+    duration_hours: Optional[int] = Field(None, gt=0, le=8760)  # Max 1 year
+
+class PasswordResetRequest(BaseModel):
+    email: EmailStr
+
+class PasswordReset(BaseModel):
+    token: str = Field(min_length=64, max_length=64)
+    new_password: str = Field(..., min_length=8, max_length=128)
+
+    @validator('new_password')
+    def password_strength(cls, v):
+        if not re.search(r'[A-Z]', v):
+            raise ValueError('Password must contain at least one uppercase letter')
+        if not re.search(r'[a-z]', v):
+            raise ValueError('Password must contain at least one lowercase letter')
+        if not re.search(r'\d', v):
+            raise ValueError('Password must contain at least one digit')
+        return v
+
+class TwoFactorSetup(BaseModel):
+    code: str = Field(pattern=r'^\d{6}$')
+
+class TwoFactorVerify(BaseModel):
+    code: str = Field(pattern=r'^\d{6}$')
+
+class EmailVerification(BaseModel):
+    token: str = Field(min_length=64, max_length=64)

deployment/db-init/01-init-roles.sql

@@ -0,0 +1,70 @@
+-- Initialize database roles and schemas for FromChat microservices
+-- This script creates dedicated users with limited privileges for each service
+
+-- Create service-specific database roles with limited privileges
+-- All services use the same password
+CREATE ROLE account_service_user LOGIN PASSWORD 'development';
+CREATE ROLE profile_service_user LOGIN PASSWORD 'development';
+CREATE ROLE device_service_user LOGIN PASSWORD 'development';
+CREATE ROLE messaging_service_user LOGIN PASSWORD 'development';
+CREATE ROLE push_service_user LOGIN PASSWORD 'development';
+CREATE ROLE webrtc_service_user LOGIN PASSWORD 'development';
+CREATE ROLE moderation_service_user LOGIN PASSWORD 'development';
+CREATE ROLE gateway_user LOGIN PASSWORD 'development';
+
+-- Create dedicated schemas for each service
+CREATE SCHEMA IF NOT EXISTS account_schema AUTHORIZATION account_service_user;
+CREATE SCHEMA IF NOT EXISTS profile_schema AUTHORIZATION profile_service_user;
+CREATE SCHEMA IF NOT EXISTS device_schema AUTHORIZATION device_service_user;
+CREATE SCHEMA IF NOT EXISTS messaging_schema AUTHORIZATION messaging_service_user;
+CREATE SCHEMA IF NOT EXISTS push_schema AUTHORIZATION push_service_user;
+CREATE SCHEMA IF NOT EXISTS webrtc_schema AUTHORIZATION webrtc_service_user;
+CREATE SCHEMA IF NOT EXISTS moderation_schema AUTHORIZATION moderation_service_user;
+
+-- Grant basic connection privileges
+GRANT CONNECT ON DATABASE fromchat TO account_service_user, profile_service_user, device_service_user, messaging_service_user, push_service_user, webrtc_service_user, moderation_service_user;
+
+-- Grant schema-level privileges (limited to each service's schema)
+-- Account service
+GRANT USAGE ON SCHEMA account_schema TO account_service_user;
+GRANT SELECT, INSERT, UPDATE, DELETE ON ALL TABLES IN SCHEMA account_schema TO account_service_user;
+GRANT USAGE, SELECT ON ALL SEQUENCES IN SCHEMA account_schema TO account_service_user;
+
+-- Profile service
+GRANT USAGE ON SCHEMA profile_schema TO profile_service_user;
+GRANT SELECT, INSERT, UPDATE, DELETE ON ALL TABLES IN SCHEMA profile_schema TO profile_service_user;
+GRANT USAGE, SELECT ON ALL SEQUENCES IN SCHEMA profile_schema TO profile_service_user;
+
+-- Device service
+GRANT USAGE ON SCHEMA device_schema TO device_service_user;
+GRANT SELECT, INSERT, UPDATE, DELETE ON ALL TABLES IN SCHEMA device_schema TO device_service_user;
+GRANT USAGE, SELECT ON ALL SEQUENCES IN SCHEMA device_schema TO device_service_user;
+
+-- Messaging service
+GRANT USAGE ON SCHEMA messaging_schema TO messaging_service_user;
+GRANT SELECT, INSERT, UPDATE, DELETE ON ALL TABLES IN SCHEMA messaging_schema TO messaging_service_user;
+GRANT USAGE, SELECT ON ALL SEQUENCES IN SCHEMA messaging_schema TO messaging_service_user;
+
+-- Push service
+GRANT USAGE ON SCHEMA push_schema TO push_service_user;
+GRANT SELECT, INSERT, UPDATE, DELETE ON ALL TABLES IN SCHEMA push_schema TO push_service_user;
+GRANT USAGE, SELECT ON ALL SEQUENCES IN SCHEMA push_schema TO push_service_user;
+
+-- WebRTC service
+GRANT USAGE ON SCHEMA webrtc_schema TO webrtc_service_user;
+GRANT SELECT, INSERT, UPDATE, DELETE ON ALL TABLES IN SCHEMA webrtc_schema TO webrtc_service_user;
+GRANT USAGE, SELECT ON ALL SEQUENCES IN SCHEMA webrtc_schema TO webrtc_service_user;
+
+-- Moderation service
+GRANT USAGE ON SCHEMA moderation_schema TO moderation_service_user;
+GRANT SELECT, INSERT, UPDATE, DELETE ON ALL TABLES IN SCHEMA moderation_schema TO moderation_service_user;
+GRANT USAGE, SELECT ON ALL SEQUENCES IN SCHEMA moderation_schema TO moderation_service_user;
+
+-- Set default privileges for future objects
+ALTER DEFAULT PRIVILEGES IN SCHEMA account_schema GRANT SELECT, INSERT, UPDATE, DELETE ON TABLES TO account_service_user;
+ALTER DEFAULT PRIVILEGES IN SCHEMA profile_schema GRANT SELECT, INSERT, UPDATE, DELETE ON TABLES TO profile_service_user;
+ALTER DEFAULT PRIVILEGES IN SCHEMA device_schema GRANT SELECT, INSERT, UPDATE, DELETE ON TABLES TO device_service_user;
+ALTER DEFAULT PRIVILEGES IN SCHEMA messaging_schema GRANT SELECT, INSERT, UPDATE, DELETE ON TABLES TO messaging_service_user;
+ALTER DEFAULT PRIVILEGES IN SCHEMA push_schema GRANT SELECT, INSERT, UPDATE, DELETE ON TABLES TO push_service_user;
+ALTER DEFAULT PRIVILEGES IN SCHEMA webrtc_schema GRANT SELECT, INSERT, UPDATE, DELETE ON TABLES TO webrtc_service_user;
+ALTER DEFAULT PRIVILEGES IN SCHEMA moderation_schema GRANT SELECT, INSERT, UPDATE, DELETE ON TABLES TO moderation_service_user;

deployment/db-init/02-init-tables.sql

@@ -0,0 +1,158 @@
+-- Create tables for FromChat microservices
+-- This script creates the necessary tables in their respective schemas
+
+-- Note: In production, tables will be created by Alembic migrations
+-- This script provides a fallback or reference for manual setup
+
+-- Account schema tables
+CREATE TABLE IF NOT EXISTS account_schema.users (
+    id BIGSERIAL PRIMARY KEY,
+    username VARCHAR(50) UNIQUE NOT NULL,
+    hashed_password VARCHAR(255) NOT NULL,
+    salt VARCHAR(64) NOT NULL,
+    display_name VARCHAR(100),
+    bio TEXT,
+    avatar_url VARCHAR(255),
+    is_online BOOLEAN DEFAULT FALSE,
+    last_seen TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    verified BOOLEAN DEFAULT FALSE,
+    verification_token VARCHAR(255),
+    reset_token VARCHAR(255),
+    reset_token_expires TIMESTAMP,
+    two_factor_enabled BOOLEAN DEFAULT FALSE,
+    two_factor_secret VARCHAR(255),
+    login_attempts INTEGER DEFAULT 0,
+    locked_until TIMESTAMP,
+    public_key TEXT,
+    private_key TEXT,
+    encryption_enabled BOOLEAN DEFAULT FALSE,
+    suspended BOOLEAN DEFAULT FALSE,
+    suspension_reason TEXT,
+    deleted BOOLEAN DEFAULT FALSE
+);
+
+-- Profile schema tables (references account_schema.users)
+CREATE TABLE IF NOT EXISTS profile_schema.user_profiles (
+    user_id BIGINT PRIMARY KEY REFERENCES account_schema.users(id) ON DELETE CASCADE,
+    display_name VARCHAR(100),
+    bio TEXT,
+    avatar_url VARCHAR(255),
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+-- Device schema tables
+CREATE TABLE IF NOT EXISTS device_schema.devices (
+    id BIGSERIAL PRIMARY KEY,
+    user_id BIGINT REFERENCES account_schema.users(id) ON DELETE CASCADE,
+    device_id VARCHAR(255) UNIQUE NOT NULL,
+    device_name VARCHAR(255),
+    device_type VARCHAR(50),
+    public_key TEXT,
+    signed_prekey TEXT,
+    one_time_prekeys JSONB,
+    last_active TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE IF NOT EXISTS device_schema.device_session (
+    id SERIAL PRIMARY KEY,
+    user_id BIGINT REFERENCES account_schema.users(id) ON DELETE CASCADE,
+    raw_user_agent TEXT,
+    device_name VARCHAR(128),
+    device_type VARCHAR(32),
+    os_name VARCHAR(64),
+    os_version VARCHAR(64),
+    browser_name VARCHAR(64),
+    browser_version VARCHAR(64),
+    brand VARCHAR(64),
+    model VARCHAR(64),
+    session_id VARCHAR(64) UNIQUE NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    last_seen TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    revoked BOOLEAN DEFAULT FALSE
+);
+
+-- Messaging schema tables
+CREATE TABLE IF NOT EXISTS messaging_schema.messages (
+    id BIGSERIAL PRIMARY KEY,
+    sender_id BIGINT REFERENCES account_schema.users(id) ON DELETE CASCADE,
+    content TEXT NOT NULL,
+    content_type VARCHAR(50) DEFAULT 'text',
+    encrypted_content TEXT,
+    signature TEXT,
+    timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    edited_at TIMESTAMP,
+    edited BOOLEAN DEFAULT FALSE,
+    deleted BOOLEAN DEFAULT FALSE,
+    reply_to_id BIGINT REFERENCES messaging_schema.messages(id),
+    thread_id BIGINT REFERENCES messaging_schema.messages(id),
+    is_public BOOLEAN DEFAULT FALSE
+);
+
+CREATE TABLE IF NOT EXISTS messaging_schema.message_recipients (
+    id BIGSERIAL PRIMARY KEY,
+    message_id BIGINT REFERENCES messaging_schema.messages(id) ON DELETE CASCADE,
+    recipient_id BIGINT REFERENCES account_schema.users(id) ON DELETE CASCADE,
+    read_at TIMESTAMP,
+    delivered_at TIMESTAMP,
+    encrypted_key TEXT
+);
+
+CREATE TABLE IF NOT EXISTS messaging_schema.message_reactions (
+    id BIGSERIAL PRIMARY KEY,
+    message_id BIGINT REFERENCES messaging_schema.messages(id) ON DELETE CASCADE,
+    user_id BIGINT REFERENCES account_schema.users(id) ON DELETE CASCADE,
+    reaction VARCHAR(50) NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+-- Push schema tables
+CREATE TABLE IF NOT EXISTS push_schema.push_subscriptions (
+    id BIGSERIAL PRIMARY KEY,
+    user_id BIGINT REFERENCES account_schema.users(id) ON DELETE CASCADE,
+    device_id BIGINT REFERENCES device_schema.devices(id),
+    endpoint VARCHAR(500) NOT NULL,
+    p256dh VARCHAR(255) NOT NULL,
+    auth VARCHAR(255) NOT NULL,
+    user_agent VARCHAR(500),
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+-- WebRTC schema tables
+CREATE TABLE IF NOT EXISTS webrtc_schema.webrtc_sessions (
+    id BIGSERIAL PRIMARY KEY,
+    session_id VARCHAR(255) UNIQUE NOT NULL,
+    initiator_id BIGINT REFERENCES account_schema.users(id),
+    participant_ids JSONB NOT NULL,
+    offer JSONB,
+    answer JSONB,
+    ice_candidates JSONB,
+    status VARCHAR(50) DEFAULT 'pending',
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+-- Moderation schema tables
+CREATE TABLE IF NOT EXISTS moderation_schema.moderation_actions (
+    id BIGSERIAL PRIMARY KEY,
+    moderator_id BIGINT REFERENCES account_schema.users(id),
+    target_user_id BIGINT REFERENCES account_schema.users(id),
+    target_message_id BIGINT REFERENCES messaging_schema.messages(id),
+    action_type VARCHAR(50) NOT NULL,
+    reason TEXT,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    expires_at TIMESTAMP
+);
+
+-- Grant permissions on sequences (after all tables are created)
+GRANT USAGE ON SEQUENCE account_schema.users_id_seq TO account_service_user;
+GRANT USAGE ON SEQUENCE device_schema.devices_id_seq TO device_service_user;
+GRANT USAGE ON SEQUENCE device_schema.device_session_id_seq TO account_service_user;
+GRANT USAGE ON SEQUENCE messaging_schema.messages_id_seq TO messaging_service_user;
+GRANT USAGE ON SEQUENCE messaging_schema.message_recipients_id_seq TO messaging_service_user;
+GRANT USAGE ON SEQUENCE messaging_schema.message_reactions_id_seq TO messaging_service_user;
+GRANT USAGE ON SEQUENCE push_schema.push_subscriptions_id_seq TO push_service_user;
+GRANT USAGE ON SEQUENCE webrtc_schema.webrtc_sessions_id_seq TO webrtc_service_user;
+GRANT USAGE ON SEQUENCE moderation_schema.moderation_actions_id_seq TO moderation_service_user;

deployment/docker-compose.yml

@@ -1,67 +1,368 @@
 services:
-  backend:
-    build:
-      dockerfile: deployment/Dockerfile.backend
-      context: ..
+  # Database service
+  database:
+    image: postgres:15
     environment:
-      PORT: 8300
-      JWT_SECRET: ${JWT_SECRET}
-      VAPID_PUBLIC_KEY: ${VAPID_PUBLIC_KEY}
-      VAPID_PRIVATE_KEY: ${VAPID_PRIVATE_KEY}
-      FIREBASE_CERT: ${FIREBASE_CERT}
+      POSTGRES_DB: fromchat
+      POSTGRES_USER: fromchat_admin
+      POSTGRES_PASSWORD: ${DB_PASSWORD}
     volumes:
-      - data:/app/data
-      - logs:/app/logs
+      - database:/var/lib/postgresql/data
+      - ./db-init:/docker-entrypoint-initdb.d
+    networks:
+      - fromchat_internal
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U fromchat_admin -d fromchat"]
+      interval: 1s
+      timeout: 5s
+      retries: 5
 
-    develop:
-      watch:
-        - action: sync+restart
-          path: ../backend
-          target: /app
-        - action: rebuild
-          path: ../backend/requirements.txt
-
-  frontend:
+  # Migration runner - runs once before other services
+  migration_runner:
     build:
-      dockerfile: deployment/frontend/Dockerfile
       context: ..
+      dockerfile: docker/Dockerfile.multi
+      target: migration_runner
     environment:
-      PORT: 8301
-      BACKEND_HOST: http://backend:8300
-    ports:
-      - "8301:8301"
+      DATABASE_URL: postgresql://fromchat_admin:${DB_PASSWORD}@database:5432/fromchat
+      JWT_SECRET: ${JWT_SECRET}
     depends_on:
-      - backend
+      database:
+        condition: service_healthy
+    networks:
+      - fromchat_internal
     develop:
       watch:
-        - action: rebuild
-          path: ../frontend
+        - action: sync
+          path: backend/alembic.ini
+          target: /app/backend/alembic.ini
+        - action: sync
+          path: backend/alembic
+          target: /app/backend/alembic
+        - action: sync
+          path: backend/migration.py
+          target: /app/backend/migration.py
+        - action: sync
+          path: backend/services/migration_runner
+          target: /app/backend/services/migration_runner
         - action: sync+restart
-          path: server.js
-          target: /server/server.js
-        - action: rebuild
-          path: package.json
+          path: backend/shared
+          target: /app/backend/shared
 
+  # Gateway service - handles complex operations
+  gateway:
+    build:
+      context: ..
+      dockerfile: docker/Dockerfile.multi
+      target: gateway
+    ports: ["8300:8300"]
+    environment:
+      DATABASE_URL: postgresql://gateway_user:${DB_PASSWORD}@database:5432/fromchat
+      PORT: 8300
+      ACCOUNT_SERVICE_URL: http://account_service:8302
+      PROFILE_SERVICE_URL: http://profile_service:8303
+      DEVICE_SERVICE_URL: http://device_service:8304
+      MESSAGING_SERVICE_URL: http://messaging_service:8305
+      PUSH_SERVICE_URL: http://push_service:8306
+      WEBRTC_SERVICE_URL: http://webrtc_service:8307
+      MODERATION_SERVICE_URL: http://moderation_service:8308
+    depends_on:
+      migration_runner:
+        condition: service_completed_successfully
+    networks:
+      - fromchat_internal
+      - fromchat_external
+    restart: unless-stopped
+    develop:
+      watch:
+        - action: sync
+          path: backend/app.py
+          target: /app/backend/app.py
+        - action: sync
+          path: backend/main.py
+          target: /app/backend/main.py
+        - action: sync
+          path: backend/dependencies.py
+          target: /app/backend/dependencies.py
+        - action: sync
+          path: backend/security
+          target: /app/backend/security
+        - action: sync
+          path: backend/services/gateway
+          target: /app/backend/services/gateway
+        - action: sync+restart
+          path: backend/shared
+          target: /app/backend/shared
+
+  # Account service
+  account_service:
+    build:
+      context: ..
+      dockerfile: docker/Dockerfile.multi
+      target: account_service
+    environment:
+      DATABASE_URL: postgresql://account_service_user:${DB_PASSWORD}@database:5432/fromchat
+      JWT_SECRET: ${JWT_SECRET}
+      PORT: 8302
+    depends_on:
+      migration_runner:
+        condition: service_completed_successfully
+    networks:
+      - fromchat_internal
+    restart: unless-stopped
+    develop:
+      watch:
+        - action: sync
+          path: backend/routes/account.py
+          target: /app/backend/routes/account.py
+        - action: sync
+          path: backend/services/account
+          target: /app/backend/services/account
+        - action: sync+restart
+          path: backend/shared
+          target: /app/backend/shared
+
+  # Profile service
+  profile_service:
+    build:
+      context: ..
+      dockerfile: docker/Dockerfile.multi
+      target: profile_service
+    environment:
+      DATABASE_URL: postgresql://profile_service_user:${DB_PASSWORD}@database:5432/fromchat
+      FIREBASE_CERT: ${FIREBASE_CERT}
+      VAPID_PRIVATE_KEY: ${VAPID_PRIVATE_KEY}
+      VAPID_PUBLIC_KEY: ${VAPID_PUBLIC_KEY}
+      VAPID_SUBJECT: ${VAPID_SUBJECT}
+      MESSAGING_SERVICE_URL: http://messaging_service:8305
+      PORT: 8303
+    depends_on:
+      migration_runner:
+        condition: service_completed_successfully
+    networks:
+      - fromchat_internal
+    restart: unless-stopped
+    develop:
+      watch:
+        - action: sync
+          path: backend/routes/profile.py
+          target: /app/backend/routes/profile.py
+        - action: sync
+          path: backend/services/profile
+          target: /app/backend/services/profile
+        - action: sync+restart
+          path: backend/shared
+          target: /app/backend/shared
+
+  # Device service
+  device_service:
+    build:
+      context: ..
+      dockerfile: docker/Dockerfile.multi
+      target: device_service
+    environment:
+      DATABASE_URL: postgresql://device_service_user:${DB_PASSWORD}@database:5432/fromchat
+      PORT: 8304
+    depends_on:
+      migration_runner:
+        condition: service_completed_successfully
+    networks:
+      - fromchat_internal
+    restart: unless-stopped
+    develop:
+      watch:
+        - action: sync
+          path: backend/routes/devices.py
+          target: /app/backend/routes/devices.py
+        - action: sync
+          path: backend/services/device
+          target: /app/backend/services/device
+        - action: sync+restart
+          path: backend/shared
+          target: /app/backend/shared
+
+  # Messaging service
+  messaging_service:
+    build:
+      context: ..
+      dockerfile: docker/Dockerfile.multi
+      target: messaging_service
+    ports:
+      - "8305:8305"
+    environment:
+      DATABASE_URL: postgresql://messaging_service_user:${DB_PASSWORD}@database:5432/fromchat
+      FIREBASE_CERT: ${FIREBASE_CERT}
+      VAPID_PRIVATE_KEY: ${VAPID_PRIVATE_KEY}
+      VAPID_PUBLIC_KEY: ${VAPID_PUBLIC_KEY}
+      VAPID_SUBJECT: ${VAPID_SUBJECT}
+      PUSH_SERVICE_URL: http://push_service:8306
+      PORT: 8305
+    depends_on:
+      migration_runner:
+        condition: service_completed_successfully
+    networks:
+      - fromchat_internal
+    restart: unless-stopped
+    develop:
+      watch:
+        - action: sync
+          path: backend/routes/messaging.py
+          target: /app/backend/routes/messaging.py
+        - action: sync
+          path: backend/websocket
+          target: /app/backend/websocket
+        - action: sync
+          path: backend/services/messaging
+          target: /app/backend/services/messaging
+        - action: sync+restart
+          path: backend/shared
+          target: /app/backend/shared
+
+  # Push service
+  push_service:
+    build:
+      context: ..
+      dockerfile: docker/Dockerfile.multi
+      target: push_service
+    environment:
+      DATABASE_URL: postgresql://push_service_user:${DB_PASSWORD}@database:5432/fromchat
+      FIREBASE_CERT: ${FIREBASE_CERT}
+      VAPID_PRIVATE_KEY: ${VAPID_PRIVATE_KEY}
+      VAPID_PUBLIC_KEY: ${VAPID_PUBLIC_KEY}
+      VAPID_SUBJECT: ${VAPID_SUBJECT}
+      PORT: 8306
+    depends_on:
+      migration_runner:
+        condition: service_completed_successfully
+    networks:
+      - fromchat_internal
+    restart: unless-stopped
+    develop:
+      watch:
+        - action: sync
+          path: backend/routes/push.py
+          target: /app/backend/routes/push.py
+        - action: sync
+          path: backend/push_service.py
+          target: /app/backend/push_service.py
+        - action: sync
+          path: backend/services/push
+          target: /app/backend/services/push
+        - action: sync+restart
+          path: backend/shared
+          target: /app/backend/shared
+
+  # WebRTC service
+  webrtc_service:
+    build:
+      context: ..
+      dockerfile: docker/Dockerfile.multi
+      target: webrtc_service
+    environment:
+      DATABASE_URL: postgresql://webrtc_service_user:${DB_PASSWORD}@database:5432/fromchat
+      PORT: 8307
+    depends_on:
+      migration_runner:
+        condition: service_completed_successfully
+    networks:
+      - fromchat_internal
+    restart: unless-stopped
+    develop:
+      watch:
+        - action: sync
+          path: backend/routes/webrtc.py
+          target: /app/backend/routes/webrtc.py
+        - action: sync
+          path: backend/services/webrtc
+          target: /app/backend/services/webrtc
+        - action: sync+restart
+          path: backend/shared
+          target: /app/backend/shared
+
+  # Moderation service
+  moderation_service:
+    build:
+      context: ..
+      dockerfile: docker/Dockerfile.multi
+      target: moderation_service
+    environment:
+      DATABASE_URL: postgresql://moderation_service_user:${DB_PASSWORD}@database:5432/fromchat
+      PORT: 8308
+    depends_on:
+      migration_runner:
+        condition: service_completed_successfully
+    networks:
+      - fromchat_internal
+    restart: unless-stopped
+    develop:
+      watch:
+        - action: sync
+          path: backend/routes/moderation.py
+          target: /app/backend/routes/moderation.py
+        - action: sync
+          path: backend/security
+          target: /app/backend/security
+        - action: sync
+          path: backend/similarity.py
+          target: /app/backend/similarity.py
+        - action: sync
+          path: backend/services/moderation
+          target: /app/backend/services/moderation
+        - action: sync+restart
+          path: backend/shared
+          target: /app/backend/shared
+
+  # Caddy reverse proxy
   caddy:
     build:
       context: ./caddy
       dockerfile: Dockerfile
-    restart: unless-stopped
     ports:
       - "80:80"
       - "443:443"
-    extra_hosts:
-      - "host.docker.internal:host-gateway"
     volumes:
       - certs:/root/site/certs
+    networks:
+      - fromchat_external
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
     environment:
-      XDG_DATA_HOME: /root/site/certs
-      XDG_CONFIG_HOME: /root/site/certs
+      - XDG_DATA_HOME=/root/site/certs
+      - XDG_CONFIG_HOME=/root/site/certs
+    restart: unless-stopped
+    depends_on:
+      - gateway
+    profiles: ["prod"]
+
+  # Frontend service - serves the React app
+  frontend:
+    build:
+      context: ..
+      dockerfile: deployment/frontend/Dockerfile
+    ports:
+      - "8301:8301"
+    environment:
+      - PORT=8301
+      - BACKEND_HOST=http://gateway:8300
+    restart: unless-stopped
+    networks:
+      - fromchat_external
+      - fromchat_internal
 
 volumes:
-  data:
-    name: fromchat-data
+  database:
+    name: fromchat-database
+  certs:
+    name: fromchat-certs
   logs:
     name: fromchat-logs
-  certs:
-    name: fromchat-certs
+  data:
+    name: fromchat-data
+
+networks:
+  fromchat_internal:
+    driver: bridge
+    internal: true
+  fromchat_external:
+    driver: bridge

deployment/frontend/server.ts

@@ -1,28 +1,44 @@
 import express from 'express';
+import type { Request, Response } from 'express';
 import { createProxyMiddleware } from 'http-proxy-middleware';
 import { resolve } from 'path';
 
 const app = express();
-const port = process.env.PORT || 3000;
+const port = Number(process.env.PORT) || 8301;
 const backendHost = process.env.BACKEND_HOST || "http://localhost:8300";
 const filePath = process.env.STATIC_FILE_PATH || ".";
 
-// API proxy middleware
-app.use('/api', createProxyMiddleware({
-    target: backendHost,
+// Direct WebSocket proxy for chat - bypass gateway (must come before general API proxy)
+app.use('/api/chat/ws', createProxyMiddleware({
+    target: 'http://messaging_service:8305',
     changeOrigin: true,
-    pathRewrite: { '^/api': '' },
+    pathRewrite: { '^/api/chat/ws': '/messaging/chat/ws' },
     ws: true
 }));
 
+// API proxy middleware (exclude WebSocket paths)
+app.use('/api', (req, res, next) => {
+    // Skip WebSocket upgrade requests - let them be handled by specific proxies
+    if (req.headers.upgrade === 'websocket') {
+        return next();
+    }
+    createProxyMiddleware({
+        target: backendHost,
+        changeOrigin: true,
+        pathRewrite: { '^/api': '' },
+        ws: true
+    })(req, res, next);
+});
+
 // Serve static files
 app.use(express.static(resolve(filePath)));
 
 // SPA routing - catch all handler for client-side routing
-app.use((_req, res) => {
+app.use((_req: Request, res: Response) => {
     res.sendFile(resolve(filePath, 'index.html'));
 });
 
-app.listen(port, () => {
-    console.log(`Server launched on http://localhost:${port}`);
+app.listen(port, '0.0.0.0', () => {
+    console.log(`Backend host: ${backendHost}`);
+    console.log(`Server launched on http://0.0.0.0:${port}`);
 });

docker/Dockerfile.multi

@@ -0,0 +1,123 @@
+# Multi-stage Dockerfile for all FromChat microservices
+# This combines the base image and all services in one file
+
+# Base stage - common setup for all services
+FROM python:3.11-slim AS base
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    libpq5 \
+    && rm -rf /var/lib/apt/lists/*
+
+# Create non-root user
+RUN useradd --create-home --shell /bin/bash fromchat
+
+# Set working directory
+WORKDIR /app
+
+# Create logs and data directories with proper permissions
+RUN mkdir -p /app/backend/logs /app/backend/data /app/backend/data/profanity /app/backend/data/uploads /app/backend/data/uploads/pfp && \
+    chown -R fromchat:fromchat /app/backend/logs /app/backend/data && \
+    chmod -R 755 /app/backend/logs /app/backend/data
+
+# Copy requirements first for better caching
+COPY backend/requirements.txt /app/requirements.txt
+
+# Install Python dependencies with cache mounts
+RUN --mount=type=cache,target=/home/fromchat/.cache/pip \
+    pip install --no-cache-dir -r requirements.txt
+
+# Copy shared modules
+COPY backend/shared /app/backend/shared/
+
+# Copy entrypoint script
+COPY docker/entrypoint.sh /app/entrypoint.sh
+RUN chmod +x /app/entrypoint.sh
+
+# Switch to non-root user
+USER fromchat
+
+# Set entrypoint
+ENTRYPOINT ["/app/entrypoint.sh"]
+
+# Account service - minimal files only
+FROM base AS account_service
+COPY backend/routes/account.py /app/backend/routes/account.py
+COPY backend/security /app/backend/security/
+COPY backend/logging_config.py /app/backend/logging_config.py
+COPY backend/services/account/main.py /app/backend/services/account/main.py
+ENV SERVICE_NAME=account
+
+# Profile service - minimal files only
+FROM base AS profile_service
+COPY backend/routes/profile.py /app/backend/routes/profile.py
+COPY backend/routes/messaging.py /app/backend/routes/messaging.py
+COPY backend/services/push/files/push_service.py /app/backend/services/push/files/push_service.py
+COPY backend/security /app/backend/security/
+COPY backend/logging_config.py /app/backend/logging_config.py
+COPY backend/services/messaging/files/websocket /app/backend/services/messaging/files/websocket/
+COPY backend/shared/similarity.py /app/backend/shared/similarity.py
+COPY backend/services/profile/main.py /app/backend/services/profile/main.py
+ENV SERVICE_NAME=profile
+
+# Device service - minimal files only
+FROM base AS device_service
+COPY backend/routes/devices.py /app/backend/routes/devices.py
+COPY backend/services/device/main.py /app/backend/services/device/main.py
+ENV SERVICE_NAME=device
+
+# Messaging service - minimal files only
+FROM base AS messaging_service
+COPY backend/routes/messaging.py /app/backend/routes/messaging.py
+COPY backend/services/push/files/push_service.py /app/backend/services/push/files/push_service.py
+COPY backend/security /app/backend/security/
+COPY backend/logging_config.py /app/backend/logging_config.py
+COPY backend/services/messaging/files/websocket /app/backend/services/messaging/files/websocket/
+COPY backend/services/messaging/main.py /app/backend/services/messaging/main.py
+ENV SERVICE_NAME=messaging
+
+# Push service - minimal files only
+FROM base AS push_service
+COPY backend/routes/push.py /app/backend/routes/push.py
+COPY backend/services/push/files/push_service.py /app/backend/services/push/files/push_service.py
+COPY backend/services/push/main.py /app/backend/services/push/main.py
+ENV SERVICE_NAME=push
+
+# WebRTC service - minimal files only
+FROM base AS webrtc_service
+COPY backend/routes/webrtc.py /app/backend/routes/webrtc.py
+COPY backend/services/webrtc/main.py /app/backend/services/webrtc/main.py
+ENV SERVICE_NAME=webrtc
+
+# Moderation service - minimal files only
+FROM base AS moderation_service
+COPY backend/routes/moderation.py /app/backend/routes/moderation.py
+COPY backend/security /app/backend/security/
+COPY backend/shared/similarity.py /app/backend/shared/similarity.py
+COPY backend/logging_config.py /app/backend/logging_config.py
+COPY backend/services/moderation/main.py /app/backend/services/moderation/main.py
+ENV SERVICE_NAME=moderation
+
+# Gateway service - minimal files only
+FROM base AS gateway
+COPY backend/app.py /app/backend/app.py
+COPY backend/main.py /app/backend/main.py
+COPY backend/dependencies.py /app/backend/dependencies.py
+COPY backend/logging_config.py /app/backend/logging_config.py
+COPY backend/security /app/backend/security/
+COPY backend/services/gateway/main.py /app/backend/services/gateway/main.py
+ENV SERVICE_NAME=gateway
+
+# Migration runner - needs alembic config and migration files
+FROM base AS migration_runner
+# Temporarily switch back to root to manage file permissions
+USER root
+COPY backend/alembic.ini /app/backend/alembic.ini
+COPY backend/alembic /app/backend/alembic/
+COPY backend/migration.py /app/backend/migration.py
+COPY backend/services/migration_runner/main.py /app/backend/services/migration_runner/main.py
+# Clean up problematic migrations as root
+RUN find /app/backend/alembic/versions -name "*auto_generated_migration_for_schema_*" | xargs rm -f || true
+# Switch back to fromchat user
+USER fromchat
+ENV SERVICE_NAME=migration_runner

docker/entrypoint.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+# Entrypoint script for FromChat microservices
+
+# Run the service module
+exec python -m backend.services.${SERVICE_NAME}.main

scripts/deploy.sh

@@ -314,6 +314,8 @@ step "Detecting services"
 cd "$DEPLOYMENT_DIR"
 SERVICES=$(docker compose -f docker-compose.yml config --services 2>/dev/null)
 
+# Note: Using multi-stage Dockerfile - no separate base image build needed
+
 if [ -z "$SERVICES" ]; then
     error "No services found in docker-compose.yml"
 fi
@@ -340,7 +342,11 @@ for SERVICE in $SERVICES; do
     DOCKERFILE_REL=$(echo "$BUILD_OUTPUT" | grep "dockerfile:" | \
         sed 's/.*dockerfile:[[:space:]]*\(.*\)/\1/' | \
         tr -d '"' | tr -d "'" | xargs)
-    
+
+    TARGET=$(echo "$BUILD_OUTPUT" | grep "target:" | \
+        sed 's/.*target:[[:space:]]*\(.*\)/\1/' | \
+        tr -d '"' | tr -d "'" | xargs)
+
     CONTEXT_REL=$(echo "$BUILD_OUTPUT" | grep "context:" | \
         sed 's/.*context:[[:space:]]*\(.*\)/\1/' | \
         tr -d '"' | tr -d "'" | xargs)
@@ -377,12 +383,18 @@ for SERVICE in $SERVICES; do
         fi
     fi
     
-    if docker buildx build \
-        --platform "$PLATFORM" \
-        --file "$DOCKERFILE" \
-        --tag "$IMAGE_TAG" \
-        --load \
-        "$BUILD_CONTEXT"; then
+    # Safety check: ensure no sqlite in DATABASE_URL for Docker services
+    if grep -q "DATABASE_URL.*sqlite" "$DEPLOYMENT_DIR/docker-compose.yml" 2>/dev/null; then
+        error "Found sqlite DATABASE_URL in docker-compose.yml - SQLite not allowed in Docker"
+        exit 1
+    fi
+
+    BUILD_ARGS="--platform \"$PLATFORM\" --file \"$DOCKERFILE\" --tag \"$IMAGE_TAG\" --load"
+    if [ -n "$TARGET" ]; then
+        BUILD_ARGS="$BUILD_ARGS --target \"$TARGET\""
+    fi
+
+    if docker buildx build $BUILD_ARGS "$BUILD_CONTEXT"; then
         echo -e "  ${GREEN}✓${NC} Built ${CYAN}$SERVICE${NC}"
         BUILT_IMAGES+=("$IMAGE_TAG")
         echo ""

scripts/generate:env.sh

@@ -5,9 +5,11 @@ echo > deployment/.env
 ./.venv/bin/python3 backend/generate_vapid_keys.py >> deployment/.env
 
 cat >> deployment/.env <<EOF
+VAPID_SUBJECT=mailto:support@fromchat.ru
 JWT_SECRET="$(openssl rand -base64 32)"
 TURN_USERNAME=<set>
 TURN_SECRET=<set>
 DEPLOYMENT_SERVER=<set>
 FIREBASE_CERT=<set>
+DB_PASSWORD=development
 EOF