[Unit]
Description=My scheduled job

[Timer]
OnCalendar=0 9 * * 1-5
Persistent=true

[Install]
WantedBy=timers.target

on:
  schedule:
    - cron: '0 9 * * 1-5'

apiVersion: batch/v1
kind: CronJob
metadata:
  name: my-cronjob
spec:
  schedule: "0 9 * * 1-5"
  jobTemplate:
    spec:
      template:
        spec:
          containers:
          - name: job
            image: my-image:latest
          restartPolicy: OnFailure