Add production deployment

deployment/.dockerignore

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+# Node.js
+node_modules
+npm-debug.log
+.env
+.idea
+.vscode
+
+# Python
+__pycache__/
+*.pyc
+.pytest_cache/
+.mypy_cache/
+.ipynb_checkpoints
+.venv
+venv/
+
+# Git
+.git
+.gitignore
+
+# macOS
+.DS_Store
+
+# Common
+# Exclude editor and OS files, as well as test results
+/dist
+/build
+/coverage
+/test_results/
+
+data

deployment/Dockerfile.backend

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+FROM python:3.12 AS builder
+
+WORKDIR /app
+RUN python3 -m venv .venv
+COPY backend/requirements.txt .
+RUN ./.venv/bin/pip3 install -r requirements.txt
+
+FROM python:3.12-slim AS runtime
+
+WORKDIR /app
+RUN useradd -u 1000 app && \
+    chown -R app /app
+USER app
+
+COPY --chown=app backend .
+COPY --from=builder --chown=app /app/.venv .venv
+RUN mkdir -p /app/data
+
+ENTRYPOINT exec ./.venv/bin/fastapi run --port ${PORT:-8300} main.py

deployment/docker-compose.yml

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+services:
+  backend:
+    build: 
+      dockerfile: deployment/Dockerfile.backend
+      context: ..
+    environment:
+      PORT: 8300
+    ports:
+      - "8300:8300"
+    volumes:
+      - "data:/app/data"
+
+  frontend:
+    build: 
+      dockerfile: deployment/frontend/Dockerfile
+      context: ..
+    environment:
+      PORT: 8301
+      BACKEND_HOST: http://backend:8300
+    ports:
+      - "8301:8301"
+
+volumes:
+  data:
+    name: fromchat-data

deployment/fromchat.service

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+[Unit]
+Description=FromChat server
+After=multi-user.target
+Wants=network-online.target
+After=network-online.target
+StartLimitIntervalSec=60
+StartLimitBurst=3
+
+[Service]
+Type=simple
+User=root
+Group=root
+ExecStart=/bin/docker compose up
+ExecStop=/bin/docker compose down
+WorkingDirectory=/home/denis0001-dev/actions-runner/_work/FromChat/FromChat/deployment
+Restart=always
+RestartSec=10
+
+# Security settings
+NoNewPrivileges=true
+PrivateTmp=true
+ProtectSystem=strict
+ReadWritePaths=/var/log
+
+# Logging
+StandardOutput=journal
+StandardError=journal
+StandardInput=tty-force
+SyslogIdentifier=fromchat
+
+[Install]
+WantedBy=multi-user.target

deployment/frontend/Dockerfile

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+FROM node:24 AS frontend
+
+WORKDIR /app
+COPY package.json .
+RUN npm install --ignore-scripts
+
+COPY frontend frontend
+RUN npm run build
+
+FROM node:24 AS server
+
+WORKDIR /server
+COPY deployment/frontend/package.json .
+RUN npm install
+COPY deployment/frontend/ .
+
+FROM node:24-slim
+
+WORKDIR /app
+COPY --from=frontend /app/frontend/dist .
+
+WORKDIR /server
+COPY --from=server /server .
+
+ENV STATIC_FILE_PATH=/app
+ENTRYPOINT ["npm", "run", "start"]

deployment/frontend/package.json

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+{
+    "name": "frontend-server",
+    "version": "1.0.0",
+    "main": "server.js",
+    "scripts": {
+        "start": "node server.js"
+    },
+    "dependencies": {
+        "express": "^5.1.0",
+        "http-proxy-middleware": "^3.0.5"
+    }
+}

deployment/frontend/server.js

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+// server.js
+const express = require('express');
+const { createProxyMiddleware } = require('http-proxy-middleware');
+const path = require('path');
+
+const app = express();
+const port = process.env.PORT || 3000;
+const backendHost = process.env.BACKEND_HOST || "http://localhost:8300";
+const file_path = process.env.STATIC_FILE_PATH || ".";
+
+app.use('/api', createProxyMiddleware({
+    target: backendHost,
+    changeOrigin: true,
+    pathRewrite: { '^/api': '' },
+    ws: true
+}));
+
+app.use(express.static(path.resolve(file_path)));
+
+app.listen(port, () => {
+    console.log(`Server launched на http://localhost:${port}`);
+});