apiVersion: batch/v1beta1
kind: CronJob
metadata:
  name: backup
  namespace: zammad
spec:
  schedule: "0 0 * * *"
  jobTemplate:
    spec:
      template:
        spec:
          restartPolicy: OnFailure
          volumes:
          - name: zammad-backup
            persistentVolumeClaim:
              claimName: zammad-backup
          containers:
          - name: zammad-backup
            image: zammad/zammad-docker-compose:zammad-postgresql
            args: [ "zammad-backup-db" ]
            volumeMounts:
             - name: zammad-backup
               mountPath: /var/tmp/zammad