Docker Watchtower

docker run -d \
  --name watchtower \
  --restart unless-stopped \
  -v /var/run/docker.sock:/var/run/docker.sock \
  nickfedor/watchtower \
  --cleanup

services:
  watchtower:
    image: nickfedor/watchtower
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
    environment:
      - WATCHTOWER_INTERVAL=3600   
      - WATCHTOWER_CLEANUP=true    
    restart: always