version: "3.9"

services:
  watchtower:
    image: containrrr/watchtower:latest
    container_name: watchtower
    restart: unless-stopped

    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
      - /etc/localtime:/etc/localtime:ro
      - /etc/timezone:/etc/timezone:ro

    environment:
      - TZ=Europe/Amsterdam
      - WATCHTOWER_CLEANUP=true
      - WATCHTOWER_POLL_INTERVAL=900   # elke 15 minuten checken

    command:
      - "--cleanup"
      - "--poll-interval=900"