Docker

.dockerignore

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+venv/
+__pycache__/
+*.pyc
+*.pyo
+*.pyd
+.Python
+*.so
+*.egg
+*.egg-info/
+dist/
+build/
+.env
+.env.local
+.git/
+.gitignore
+README.md
+tree
+db.sqlite3
+*.sqlite3
+.DS_Store
+*.log

Dockerfile

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+FROM python:3.14-slim-bookworm
+
+# Set environment variables
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    DJANGO_SETTINGS_MODULE=config.settings
+
+# Set work directory
+WORKDIR /app
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    libpq-dev \
+    gcc \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements first for better caching
+COPY requirements.txt .
+
+# Install Python dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy project files
+COPY . .
+
+# Create necessary directories
+RUN mkdir -p /app/staticfiles /app/static /app/media
+
+# Collect static files
+RUN python manage.py collectstatic --noinput
+
+# Create a non-root user
+RUN addgroup --system app && adduser --system --group app
+RUN chown -R app:app /app
+
+USER app
+
+EXPOSE 8000
+
+# Use Daphne for WebSocket support
+CMD ["daphne", "-b", "0.0.0.0", "-p", "8000", "config.asgi:application"]

Dockerfile.dev

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+
+FROM python:3.14-slim-bookworm
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    DJANGO_SETTINGS_MODULE=config.settings
+
+WORKDIR /app
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    libpq-dev \
+    gcc \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Install development tools
+RUN pip install watchdog
+
+COPY . .
+
+# Create directory for static files
+RUN mkdir -p /app/staticfiles
+
+# Don't collect static in dev mode (runserver handles it)
+
+EXPOSE 8000
+
+# Run with hot reload using watchdog
+CMD ["python", "manage.py", "runserver", "0.0.0.0:8000"]

docker-compose.dev.yml

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+version: '3.8'
+
+services:
+  web:
+    build: 
+      context: .
+      dockerfile: Dockerfile.dev
+    ports:
+      - "8001:8000"
+    volumes:
+      - .:/app
+      - /app/venv  # Exclude venv
+    environment:
+      - SECRET_KEY=dev-secret-key-change-in-production
+      - DEBUG=True
+      - ALLOWED_HOSTS=localhost,127.0.0.1,web
+      - DATABASE_URL=sqlite:///db.sqlite3
+      # No REDIS_URL - will use in-memory channel layer
+    command: python manage.py runserver 0.0.0.0:8000
+    # Or use daphne for WebSocket testing:
+    # command: daphne -b 0.0.0.0 -p 8000 config.asgi:application

docker-compose.yml

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+version: '3.8'
+
+services:
+  redis:
+    image: redis:7-alpine
+    command: redis-server --appendonly yes
+    volumes:
+      - redis_data:/data
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD", "redis-cli", "ping"]
+      interval: 5s
+      timeout: 3s
+      retries: 5
+    networks:
+      - splitchat_network
+
+  db:
+    image: postgres:16-alpine
+    environment:
+      POSTGRES_DB: splitchat
+      POSTGRES_USER: splitchat
+      POSTGRES_PASSWORD: ${DB_PASSWORD:-splitchat_password_123}
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U splitchat"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+    networks:
+      - splitchat_network
+
+  web:
+    build: .
+    expose:
+      - "8000"
+    volumes:
+      - static_volume:/app/staticfiles
+      - media_volume:/app/media
+    environment:
+      - SECRET_KEY=${SECRET_KEY}
+      - DEBUG=${DEBUG:-False}
+      - ALLOWED_HOSTS=${ALLOWED_HOSTS:-localhost,127.0.0.1}
+      - DATABASE_URL=postgres://splitchat:${DB_PASSWORD:-splitchat_password_123}@db:5432/splitchat
+      - REDIS_URL=redis://redis:6379/0
+    depends_on:
+      db:
+        condition: service_healthy
+      redis:
+        condition: service_healthy
+    restart: unless-stopped
+    networks:
+      - splitchat_network
+
+  # Optional: Nginx for serving static files (if you want to offload from Django)
+  nginx:
+    image: nginx:alpine
+    ports:
+      - "8002:80"
+    volumes:
+      - ./nginx.conf:/etc/nginx/conf.d/default.conf:ro
+      - static_volume:/static:ro
+      - media_volume:/media:ro
+    depends_on:
+      - web
+    restart: unless-stopped
+    networks:
+      - splitchat_network
+
+volumes:
+  postgres_data:
+  redis_data:
+  static_volume:
+  media_volume:
+
+networks:
+  splitchat_network:
+    driver: bridge