version: '3.9'

services:
  postfix:
    build:
      context: ../..
      dockerfile: deployment/docker/postfix/Dockerfile
    container_name: smtprelay-postfix
    hostname: postfix.local
    ports:
      - "25:25"
      - "587:587"
      - "465:465"
    environment:
      - POSTFIX_myhostname=postfix.local
      - POSTFIX_mydomain=postfix.local
      - POSTFIX_mynetworks=127.0.0.1/8,10.0.0.0/8,172.16.0.0/12,192.168.0.0/16
    restart: unless-stopped
    networks:
      - smtp-relay-net

  smtp-relay:
    build: .
    ports:
      - "2525:2525"
      - "8080:8080"
    environment:
      # Required (dummy values for Postfix mode):
      - GMAIL_USERNAME=${GMAIL_USERNAME:-relay@postfix.local}
      - GMAIL_APP_PASSWORD=${GMAIL_APP_PASSWORD:-dummy}
      - FORWARD_TO=${FORWARD_TO:-admin@example.com}
      # Postfix configuration:
      - GMAIL_HOST=postfix
      - GMAIL_PORT=25
      # Optional:
      - SMTP_LISTEN_HOST=0.0.0.0
      - SMTP_LISTEN_PORT=2525
      - HTTP_LISTEN_HOST=0.0.0.0
      - HTTP_LISTEN_PORT=8080
      - ALLOW_ANY_RCPT=true
      - ADD_X_HEADERS=true
      - MAX_STORE=200
    depends_on:
      - postfix
    restart: unless-stopped
    networks:
      - smtp-relay-net

networks:
  smtp-relay-net:
    driver: bridge