version: '3.8'

services:
  # PostgreSQL 数据库（使用最新版 17）
  postgres:
    image: postgres:17-alpine
    container_name: life-echo-postgres
    ports:
      - "5432:5432"
    environment:
      POSTGRES_USER: ${POSTGRES_USER:-postgres}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-postgres}
      POSTGRES_DB: ${POSTGRES_DB:-life_echo}
    volumes:
      - postgres_data:/var/lib/postgresql/data
    restart: always
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U postgres"]
      interval: 10s
      timeout: 5s
      retries: 5
    networks:
      - life-echo-network
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "3"

  # Redis 服务（用于会话存储和 Celery 消息队列）
  redis:
    image: redis:7-alpine
    container_name: life-echo-redis
    ports:
      - "6379:6379"
    volumes:
      - redis_data:/data
    command: redis-server --appendonly yes --maxmemory 256mb --maxmemory-policy allkeys-lru
    restart: always
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 5s
      retries: 5
    networks:
      - life-echo-network
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "3"

  # FastAPI 应用
  api:
    build:
      context: .
      dockerfile: Dockerfile
    image: life-echo-api:latest
    container_name: life-echo-api-prod
    ports:
      - "8000:8000"
    env_file:
      - .env.prod
    environment:
      - DATABASE_URL=postgresql://postgres:postgres@postgres:5432/life_echo
      - REDIS_URL=redis://redis:6379/0
    restart: always
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy
    healthcheck:
      test: ["CMD", "python", "-c", "import http.client; conn = http.client.HTTPConnection('localhost', 8000); conn.request('GET', '/health'); r = conn.getresponse(); exit(0 if r.status == 200 else 1)"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 15s
    networks:
      - life-echo-network
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "3"

  # Celery Worker（后台任务处理）
  celery-worker:
    build:
      context: .
      dockerfile: Dockerfile
    image: life-echo-api:latest
    container_name: life-echo-celery-worker
    command: celery -A tasks.celery_app worker --loglevel=info --concurrency=4
    env_file:
      - .env.prod
    environment:
      - DATABASE_URL=postgresql://postgres:postgres@postgres:5432/life_echo
      - REDIS_URL=redis://redis:6379/0
    restart: always
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy
      api:
        condition: service_healthy
    networks:
      - life-echo-network
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "3"

  # Celery Beat（定时任务调度，可选）
  # celery-beat:
  #   build:
  #     context: .
  #     dockerfile: Dockerfile
  #   image: life-echo-api:latest
  #   container_name: life-echo-celery-beat
  #   command: celery -A tasks.celery_app beat --loglevel=info
  #   env_file:
  #     - .env.prod
  #   environment:
  #     - DATABASE_URL=postgresql://postgres:postgres@postgres:5432/life_echo
  #     - REDIS_URL=redis://redis:6379/0
  #   restart: always
  #   depends_on:
  #     postgres:
  #       condition: service_healthy
  #     redis:
  #       condition: service_healthy
  #   networks:
  #     - life-echo-network

  # Flower（Celery 监控面板，可选）
  # flower:
  #   build:
  #     context: .
  #     dockerfile: Dockerfile
  #   image: life-echo-api:latest
  #   container_name: life-echo-flower
  #   command: celery -A tasks.celery_app flower --port=5555
  #   ports:
  #     - "5555:5555"
  #   env_file:
  #     - .env.prod
  #   environment:
  #     - REDIS_URL=redis://redis:6379/0
  #   restart: always
  #   depends_on:
  #     redis:
  #       condition: service_healthy
  #   networks:
  #     - life-echo-network

networks:
  life-echo-network:
    driver: bridge

volumes:
  postgres_data:
    driver: local
  redis_data:
    driver: local