version: "3.8"

services:
  # ---- PostgreSQL 数据库 ----
  postgres:
    image: postgres:16-alpine
    container_name: miaosi-postgres
    environment:
      POSTGRES_USER: ${POSTGRES_USER:-postgres}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-postgres}
      POSTGRES_DB: ${POSTGRES_DB:-miaosi}
    ports:
      - "${POSTGRES_PORT:-5432}:5432"
    volumes:
      - postgres_data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-postgres}"]
      interval: 5s
      timeout: 5s
      retries: 5
    restart: unless-stopped

  # ---- Redis 缓存 / 消息队列 ----
  redis:
    image: redis:7-alpine
    container_name: miaosi-redis
    ports:
      - "${REDIS_PORT:-6379}:6379"
    volumes:
      - redis_data:/data
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 5s
      timeout: 5s
      retries: 5
    restart: unless-stopped

  # ---- FastAPI 后端 ----
  backend:
    build:
      context: ./backend
      dockerfile: Dockerfile
    container_name: miaosi-backend
    ports:
      - "${BACKEND_PORT:-8000}:8000"
    env_file:
      - ./backend/.env
    environment:
      # 覆盖数据库和 Redis 地址，指向 Docker 内部网络
      DATABASE_URL: postgresql+asyncpg://${POSTGRES_USER:-postgres}:${POSTGRES_PASSWORD:-postgres}@postgres:5432/${POSTGRES_DB:-miaosi}
      REDIS_URL: redis://redis:6379/0
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy
    volumes:
      - video_temp:/tmp/videos
    restart: unless-stopped

  # ---- Next.js 前端 ----
  frontend:
    build:
      context: ./frontend
      dockerfile: Dockerfile
      args:
        NEXT_PUBLIC_API_BASE_URL: ${NEXT_PUBLIC_API_BASE_URL:-http://localhost:8000}
        NEXT_PUBLIC_USE_MOCK: "false"
    container_name: miaosi-frontend
    ports:
      - "${FRONTEND_PORT:-3000}:3000"
    environment:
      NODE_ENV: production
    depends_on:
      - backend
    restart: unless-stopped

volumes:
  postgres_data:
  redis_data:
  video_temp: