services:
  watchtower:
    image: containrrr/watchtower:latest
    container_name: watchtower
    restart: unless-stopped
    environment:
      - TZ=${TZ:-Europe/Berlin}
      - WATCHTOWER_CLEANUP=true
      - WATCHTOWER_INCLUDE_RESTARTING=true
      - WATCHTOWER_SCHEDULE=${SCHEDULE:-0 0 4 * * *}
      # Report only, never pull: set to true for a dry run.
      - WATCHTOWER_MONITOR_ONLY=${MONITOR_ONLY:-false}
      # e.g. shoutrrr URL for ntfy/Gotify/Discord notifications
      - WATCHTOWER_NOTIFICATION_URL=${NOTIFICATION_URL:-}
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock