---
services:
  watchtower:
    image: containrrr/watchtower:latest
    container_name: watchtower
    environment:
      DOCKER_API_VERSION: "1.44"
      WATCHTOWER_POLL_INTERVAL: 300
      WATCHTOWER_LABEL_ENABLE: "true"
      WATCHTOWER_CLEANUP: "true"
      WATCHTOWER_INCLUDE_STOPPED: "false"
      WATCHTOWER_INCLUDE_RESTARTING: "true"
      WATCHTOWER_RUN_ONCE: "false"
      WATCHTOWER_NOTIFICATIONS: ${NOTIFICATIONS:-}
      WATCHTOWER_NOTIFICATION_URL: ${NOTIFICATION_URL:-}
      WATCHTOWER_LOG_LEVEL: info
      WATCHTOWER_ROLLING_RESTART: "false"
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
    restart: always
    labels:
      - "com.centurylinklabs.watchtower.enable=true"