docker-compose.yml

version: '3'

services:
  mailadmin:
    build: .
    image: mailadmin
    environment:
      - SECRET_KEY_BASE=some-secret-key-base
      - DATABASE_URL=mysql2://mailadmin:@localhost/mailadmin_development
      - MAILSERVER_HOSTNAME=mail.example.com
      - WEBMAIL_HOSTNAME=webmail.example.com
      - API_TOKEN=some-secret-api-token
      - CONFIGRELOAD_WEBHOOK=http://nginx/webhooks/some-random-long-string
    ports:
      - "3000:3000"
    volumes:
      - "/var/run/mysqld:/var/run/mysqld"

  # Initialize volume for log files to avoid those being symlinked to stdout/stderr
  init-logs:
    image: debian:12-slim
    command: "touch /var/log/nginx/access.log && touch /var/log/nginx/error.log"
    volumes:
      - nginx-logs:/var/log/nginx

  # Integration to docker-mailserver, config is written to volume "docker-mailserver-config"
  # (in this example, for docker-mailserver it would typically be ./config/ on the host)
  configreload:
    build: integrations/docker-mailserver-configreload
    image: docker-mailserver-configreload
    depends_on:
      - init-logs
      - mailadmin
    environment:
      - WEBHOOK_TOKEN=some-random-long-string
      - WEBHOOK_LOG=/var/log/nginx/access.log
      - MAILADMIN_URL=http://mailadmin:3000
      - MAILADMIN_API_TOKEN=some-secret-api-token
    volumes:
      - docker-mailserver-config:/config
      - nginx-logs:/var/log/nginx

  # Some webserver typically running on the same host as docker-mailserver, we just look for
  # the magic webhook token in its access log (recommendation: add a special access log rule
  # in nginx for the /webhooks/ location so that your existing setup is unaffected)
  nginx:
    image: nginx:stable
    depends_on:
      - init-logs
    volumes:
      - nginx-logs:/var/log/nginx

volumes:
  nginx-logs:
  docker-mailserver-config: