services:
  watchtower:
    image: containrrr/watchtower
    container_name: watchtower
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
    environment:
      TZ: "${TZ:-Etc/UTC}"
      WATCHTOWER_CLEANUP: "${WATCHTOWER_CLEANUP:-false}"
      WATCHTOWER_SCHEDULE: "${WATCHTOWER_SCHEDULE:-0 0 0 * * ?}"
      WATCHTOWER_SCOPE: "${WATCHTOWER_SCOPE:-}"
      WATCHTOWER_NOTIFICATION_URL: "${WATCHTOWER_NOTIFICATION_URL:-}"
    restart: always