---
version: '3'

# watchtower updates container images with mutable tags.
services:
  watchtower:
    image: 'containrrr/watchtower:1.1.6'
    # Use label `com.centurylinklabs.watchtower.enable="false"` to disable on container!
    command: '--cleanup --schedule "0 0 4 * * *"' # UTC
    restart: unless-stopped
    volumes:
      - '/var/run/docker.sock:/var/run/docker.sock'