version: '3'
services:
  postfixrelay:
    container_name: docker-postfixrelay
    restart: unless-stopped
    build:
      context: .
      dockerfile: Dockerfile
    environment:
      - TZ=America/New_York
      - RELAY_HOST=smtp.gmail.com
      - RELAY_PORT=587
      - RELAY_USER=your_email_here@gmail.com
      - RELAY_PASS=your_password_here
      - TEST_EMAIL=test_email@domain.com
      - MYORIGIN=domain.com
      - FROMADDRESS=my_email@domain.com
      - MYNETWORKS=1.2.3.4/24
      - MSG_SIZE=30720000
      - LOG_DISABLE=true
    networks:
      - postfixrelay
    ports:
      - '25:25'
    volumes:
      - 'postfixrelay_data:/var/spool/postfix'

networks:
  postfixrelay:

volumes:
  postfixrelay_data:
    driver: local