Kubernetes CronJob

1apiVersion: batch/v1
2kind: CronJob
3metadata:
4  name: db-backup
5spec:
6  schedule: "0 2 * * *"
7  jobTemplate:
8    spec:
9      template:
10        spec:
11          restartPolicy: OnFailure
12          containers:
13            - name: backup
14              image: postgres:16-alpine
15              command:
16                - /bin/sh
17                - -c
18                - pg_dump -h postgres -U app appdb > /backup/dump.sql
19              volumeMounts:
20                - name: backup
21                  mountPath: /backup
22          volumes:
23            - name: backup
24              emptyDir: {}