services:
  backend:
    build: ./backend
    container_name: email-backend-container
    restart: always
    ports:
      - "5182:5182" # API port
      - "25:25"     # SMTP port
    environment:
      - DB_HOST=43.143.145.172     # 替换为您的外部数据库主机名或IP
      - DB_USER=root     # 替换为您的数据库用户名
      - DB_PASSWORD=kyff145972 # 替换为您的数据库密码
      - DB_NAME=maildb       # 替换为您的数据库名称
    networks:
      - email-network

networks:
  email-network:
    driver: bridge