docker-compose.yml.j2

version: "3.8"

services:
  watchtower:
    container_name: "{{ service_cfg.name }}"
    image: "containrrr/watchtower:{{ service_cfg.version }}"
    restart: unless-stopped
    environment:
      TZ: "{{ timezone }}"             # https://containrrr.dev/watchtower/arguments/#time_zone
      WATCHTOWER_CLEANUP: "true"       # https://containrrr.dev/watchtower/arguments/#cleanup
      WATCHTOWER_LABEL_ENABLE: "true"  # https://containrrr.dev/watchtower/arguments/#filter_by_enable_label
      WATCHTOWER_INCLUDE_RESTARTING: "true"
      WATCHTOWER_INCLUDE_STOPPED: "true"
      WATCHTOWER_REVIVE_STOPPED: "true"
      WATCHTOWER_POLL_INTERVAL: "{{ service_cfg.poll_interval }}"  # https://containrrr.dev/watchtower/arguments/#poll_interval
{% if service_cfg.http_token != "" %}
      WATCHTOWER_HTTP_API_UPDATE: "true"
      WATCHTOWER_HTTP_API_TOKEN: "{{ service_cfg.http_token }}"
      WATCHTOWER_HTTP_API_PERIODIC_POLLS: "true"
{% endif %}
{% if service_cfg.telegram_bot_token != "" %}
      WATCHTOWER_NOTIFICATIONS: "shoutrrr"
      WATCHTOWER_NOTIFICATION_URL: "telegram://{{ service_cfg.telegram_bot_token }}@telegram/?channels={{ service_cfg.telegram_channel_id }}"
{% endif %}
    volumes:
      - "{{ service_cfg.directory }}:/config"
      - "/var/run/docker.sock:/var/run/docker.sock"
    labels: *base_labels
    networks: *base_networks