docker-compose.swarm-cronjob.yml

version: "3"

services:
  app:
    image: containrrr/shepherd
    environment:
      TZ: 'US/Eastern'
      FILTER_SERVICES: ''
      IGNORELIST_SERVICES: "test"
      RUN_ONCE_AND_EXIT: "true"
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock:ro
    deploy:
      replicas: 0
      restart_policy:
        condition: none
      labels:
        - swarm.cronjob.enable=true
        # Start service every day at midnight
        - swarm.cronjob.schedule=0 0 0 * * *
        - swarm.cronjob.skip-running=true
      placement:
        constraints:
          - node.role == manager

  scheduler:
    image: crazymax/swarm-cronjob:latest
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock:ro
    environment:
      - "TZ=Europe/Berlin"
      - "LOG_LEVEL=info"
      - "LOG_JSON=false"
    deploy:
      placement:
        constraints:
          - node.role == manager