Optimize deployment and improve package.json

deployment/Dockerfile.backend

@@ -1,19 +1,25 @@
+# 1. Install pip dependencies
 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
+RUN --mount=type=cache,target=/root/.cache/pip \
+    ./.venv/bin/pip3 install -r requirements.txt
 
+# 2. Runtime stage
 FROM python:3.12-slim AS runtime
 
+# 2.1. Non-root user
 WORKDIR /app
 RUN useradd -u 1000 app && \
     chown -R app /app
 USER app
 
+# 2.2. Copy content and create dirs
 COPY --chown=app backend .
 COPY --from=builder --chown=app /app/.venv .venv
 RUN mkdir -p /app/data
 
+# 3. Final command
 ENTRYPOINT exec ./.venv/bin/fastapi run --port ${PORT:-8300} main.py

deployment/docker-compose.yml

@@ -9,6 +9,13 @@ services:
       - "8300:8300"
     volumes:
       - "data:/app/data"
+    develop:
+      watch:
+        - action: sync+restart
+          path: ../backend
+          target: /app
+        - action: rebuild
+          path: ../backend/requirements.txt
 
   frontend:
     build: 
@@ -19,6 +26,17 @@ services:
       BACKEND_HOST: http://backend:8300
     ports:
       - "8301:8301"
+    depends_on:
+      - backend
+    develop:
+      watch:
+        - action: rebuild
+          path: ../frontend
+        - action: sync+restart
+          path: server.js
+          target: /server/server.js
+        - action: rebuild
+          path: package.json
 
 volumes:
   data:

deployment/frontend/Dockerfile

@@ -1,26 +1,39 @@
+# 1. Build the frontend
 FROM node:24 AS frontend
 
+# 1.1. Install npm dependencies
 WORKDIR /app
 COPY package.json .
-RUN npm install --ignore-scripts
+RUN --mount=type=cache,target=/root/.npm \
+    npm install --ignore-scripts
 
+# 1.2. Build
 COPY frontend frontend
 RUN npm run build
 
+# 2. Build the static file server
 FROM node:24 AS server
 
+# 2.1. Install npm dependencies
 WORKDIR /server
 COPY deployment/frontend/package.json .
-RUN npm install
+RUN --mount=type=cache,target=/root/.npm \
+    npm install
+
+# 2.2. Copy the code
 COPY deployment/frontend/ .
 
+# 3. Put it all together
 FROM node:24-slim
 
+# 3.1. Frontend static files
 WORKDIR /app
 COPY --from=frontend /app/frontend/dist .
 
+# 3.2. Static file server
 WORKDIR /server
 COPY --from=server /server .
 
+# 4. Final command
 ENV STATIC_FILE_PATH=/app
 ENTRYPOINT ["npm", "run", "start"]