home-server/deployments/mariadb/backups.yaml

---
apiVersion: v1
kind: PersistentVolume
metadata:
  name: mariadb-backup-pv
spec:
  capacity:
    storage: 10Gi
  accessModes:
    - ReadWriteOnce
  storageClassName: manual
  hostPath:
    path: /dpool/backups/mariadb
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: mariadb-backup-pvc
  namespace: home-server
spec:
  accessModes:
    - ReadWriteOnce
  storageClassName: manual
  resources:
    requests:
      storage: 10Gi
---
apiVersion: k8s.mariadb.com/v1alpha1
kind: Backup
metadata:
  name: backup-local
  namespace: home-server
spec:
  mariaDbRef:
    name: nextcloud-db
  schedule:
    cron: "0 1 * * *"
  maxRetention: 168h
  volumeMounts:
    - mountPath: /backups
      name: backup-volume
  volumes:
    - name: backup-volume
      hostPath:
        path: /dpool/backups/mariadb
        type: DirectoryOrCreate