version: '3'

services:
  challenge:
    image: busybox:stable-glibc
    labels:
      kompose.cronjob.schedule: "* * * * *"
      kompose.cronjob.concurrency_policy: "Forbid"
      kompose.cronjob.backoff_limit: "0"
    command:
      - "bash"
      - "-c"
      - "echo hello from cron"
    restart: "no"