apiVersion: batch/v1
kind: CronJob
metadata:
  name: cron-job-pi-test
spec:
  schedule: "* * * * *"
  jobTemplate:
    spec:
      template:
        spec:
          containers:
          - name: pi
            image: quay.io/prometheus/busybox:latest
            command: ["/bin/sh", "-c", "echo 'scale=5; 4*a(1)' | bc -l"]
          restartPolicy: OnFailure