services:
  # Redis Cache
  redis:
    image: redis:7-alpine
    container_name: hci-redis
    restart: unless-stopped
    expose:
      - "6379"
    networks:
      - hci-network
    command: redis-server --maxmemory 256mb --maxmemory-policy allkeys-lru
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 3s
      retries: 3

  # Python FastAPI Backend
  backend:
    build:
      context: .
      dockerfile: Dockerfile.backend
    container_name: hci-backend
    # 不對外暴露端口，只在內網使用
    expose:
      - "8000"
    environment:
      - GEMINI_API_KEY=${GEMINI_API_KEY}
      - REDIS_URL=redis://redis:6379
    env_file:
      - ./backend/.env
    # Volume 掛載：確保生成的靜態文件持久化
    volumes:
      - ./backend/static:/app/static
    restart: unless-stopped
    depends_on:
      - redis
    networks:
      - hci-network
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8000/health"]
      interval: 30s
      timeout: 10s
      retries: 3

  # Nuxt 3 Frontend
  frontend:
    build:
      context: .
      dockerfile: Dockerfile.frontend
    container_name: hci-frontend
    # 改用內部端口 3001，不直接對外
    expose:
      - "3001"
    environment:
      - NODE_ENV=production
      - PORT=3001
    depends_on:
      - backend
    restart: unless-stopped
    networks:
      - hci-network
  
  # Nginx 反向代理
  nginx:
    build:
      context: .
      dockerfile: Dockerfile.nginx
    container_name: hci-nginx
    ports:
      - "80:3000"  # 對外暴露 80 端口，轉發到內部 3000
    depends_on:
      - frontend
      - backend
    restart: unless-stopped
    networks:
      - hci-network

networks:
  hci-network:
    driver: bridge