services:
  backend:
    build: ./backend
    container_name: email-backend
    restart: always
    ports:
      - "5182:5182" # API port
      - "25:25"     # SMTP port
    # mysql 使用外部数据源
    env_file:
      - compose.self.env
    networks:
      - email-network
networks:
  email-network:
    driver: bridge