docker-compose.yml

x-app: &default-app
  build:
    context: .
  image: firefart/requesttracker:latest
  restart: unless-stopped
  configs:
    - source: rt_site_config
      target: /opt/rt5/etc/RT_SiteConfig.pm
    - source: msmtp
      target: /etc/msmtprc
    - source: getmail
      target: /getmail/getmailrc
    - source: crontab
      target: /crontab # needed as docker compose mounts the config as a bind mount and the uid parameter is not working here
  volumes:
    - ./msmtp/:/msmtp:ro
    - ./gpg/:/opt/rt5/var/data/gpg
    - ./smime/:/opt/rt5/var/data/smime:ro
    - ./shredder/:/opt/rt5/var/data/RT-Shredder
    - /etc/localtime:/etc/localtime:ro
    - ./cron/:/cron
  # make the host available inside the image
  extra_hosts:
    - "host.docker.internal:host-gateway"
  networks:
    - net

services:
  rt:
    <<: *default-app
    hostname: rt
    deploy:
      mode: replicated
      replicas: 5
      endpoint_mode: vip

  cron:
    <<: *default-app
    hostname: cron
    # the cron daemon needs to run as root
    user: root
    command: [ "/root/cron_entrypoint.sh" ]
    # disable the healthcheck from the main dockerfile
    healthcheck:
      disable: true
    depends_on:
      # needs to be up so we can use mailgate from the cron container
      rt:
        condition: service_healthy
        restart: true
      # we send rt-mailgate over to caddy
      caddy:
        condition: service_healthy
        restart: true

  caddy:
    image: caddy:latest
    hostname: caddy
    restart: unless-stopped
    ports:
      - "0.0.0.0:443:443"
      - "127.0.0.1:8080:8080" # expose mailgate vhost to host
    configs:
      - source: caddyfile
        target: /etc/caddy/Caddyfile
    volumes:
      - ./certs/:/certs/:ro
      - /etc/localtime:/etc/localtime:ro
      - vol_caddy_data:/data
      - vol_caddy_config:/config
    healthcheck:
      test: [ "CMD", "wget", "-O", "-", "-q", "http://127.0.0.1:1337/" ]
      interval: 10s
      timeout: 10s
      retries: 3
    depends_on:
      rt:
        condition: service_healthy
        restart: true
    networks:
      - net

configs:
  caddyfile:
    file: ./Caddyfile
  rt_site_config:
    file: ./RT_SiteConfig.pm
  msmtp:
    file: ./msmtp/msmtp.conf
  getmail:
    file: ./getmail/getmailrc
  crontab:
    file: ./crontab

networks:
  net:
    driver: bridge
    driver_opts:
      com.docker.network.bridge.name: br_rt

volumes:
  vol_caddy_data:
  vol_caddy_config: