services:
  chatmail:
    build: 
      context: ./docker
      dockerfile: chatmail_relay.dockerfile
      tags:
        - chatmail-relay:latest
    image: chatmail-relay:latest
    restart: unless-stopped
    container_name: chatmail 
    cgroup: host # required for systemd
    tty: true # required for logs
    tmpfs: # required for systemd
      - /tmp
      - /run
      - /run/lock
    logging:
      driver: json-file
      options:
        max-size: "10m"
        max-file: "3"
    environment:
      MAIL_DOMAIN: $MAIL_DOMAIN
      CHANGE_KERNEL_SETTINGS: "False"
      ACME_EMAIL: $ACME_EMAIL
      # RECREATE_VENV: "false"
      # MAX_MESSAGE_SIZE: "50M"
      # DEBUG_COMMANDS_ENABLED: "true"
      # FORCE_REINIT_INI_FILE: "true"
      # USE_FOREIGN_CERT_MANAGER: "True"
      # ENABLE_CERTS_MONITORING: "true"
      # CERTS_MONITORING_TIMEOUT: 10
      # IS_DEVELOPMENT_INSTANCE: "True"
    ports:
      - "80:80"
      - "443:443"
      - "25:25"
      - "587:587"
      - "143:143"
      - "465:465"
      - "993:993"
    volumes:
      ## system
      - /sys/fs/cgroup:/sys/fs/cgroup:rw # required for systemd
      - ./:/opt/chatmail
      
      ## data
      - ./data/chatmail:/home
      - ./data/chatmail-dkimkeys:/etc/dkimkeys
      - ./data/chatmail-echobot:/run/echobot
      - ./data/chatmail-acme:/var/lib/acme

      ## custom resources
      # - ./custom/www/src/index.md:/opt/chatmail/www/src/index.md

      ## debug
      # - ./docker/files/setup_chatmail_docker.sh:/setup_chatmail_docker.sh
      # - ./docker/files/entrypoint.sh:/entrypoint.sh
      # - ./docker/files/update_ini.sh:/update_ini.sh