lab-ansible/roles/apps/templates/compose-files/postfix.yml.j2

{# code: language=ansible-jinja #}
# THIS FILE IS MANAGED BY ANSIBLE

version: "3.8"

services:
  app:
    image: boky/postfix:{{ apps_vars.postfix.version }}
    restart: always
    environment:
      ALLOWED_SENDER_DOMAINS: {{ apps_senders | join(' ') }}
      HOSTNAME: {{ apps_vars.postfix.hostname }}
      DKIM_AUTOGENERATE: true
    networks:
      {{ apps_postfix_docker_network }}:
        aliases:
          - postfix
    volumes:
      - "./data:/etc/opendkim/keys:rw"
    healthcheck:
      test: ["CMD-SHELL", "printf \"EHLO healthcheck\\nquit\\n\" | { while read l ; do sleep 1; echo $$l; done } | nc -w 2 127.0.0.1 587 | grep -qE \"^220.*ESMTP Postfix\""]
      interval: 30s
      timeout: 5s
      retries: 3
      start_period: 10s

networks:
  {{ apps_postfix_docker_network }}:
    external: true