services:
  # 1. 后端服务 (Node.js + Express + SMTP Server)
  backend:
    build: ./backend
    container_name: email-backend
    restart: always
    env_file:
      - compose.env
    networks:
      - email-network

  # 2. 数据库服务 (MySQL)
  mysql:
    image: mysql:8.0 
    container_name: email-mysql
    restart: always
    env_file:
      - compose.env
    volumes:
      - mysql-data:/var/lib/mysql
      - ./backend/init.sql:/docker-entrypoint-initdb.d/init.sql:ro
    networks:
      - email-network

networks:
  email-network:
    driver: bridge

volumes:
  mysql-data: {}