Add psql backup

deployments/operators/postgresql.yaml

@@ -80,3 +80,69 @@ spec:
   ports:
     - port: 5432
       targetPort: 5432
+
+---
+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: postgres-backup-pv
+spec:
+  capacity:
+    storage: 5Gi
+  accessModes:
+    - ReadWriteOnce
+  persistentVolumeReclaimPolicy: Retain
+  storageClassName: local-path
+  hostPath:
+    path: /dpool/postgres/backup
+
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: postgres-backup-pvc
+  namespace: postgres
+spec:
+  accessModes:
+    - ReadWriteOnce
+  storageClassName: local-path
+  resources:
+    requests:
+      storage: 5Gi
+
+
+---
+apiVersion: batch/v1
+kind: CronJob
+metadata:
+  name: postgres-backup
+  namespace: postgres
+spec:
+  schedule: "0 2 * * *"  # Every day at 2 AM
+  jobTemplate:
+    spec:
+      template:
+        spec:
+          restartPolicy: OnFailure
+          containers:
+            - name: pg-backup
+              image: postgres:15
+              envFrom:
+                - secretRef:
+                    name: postgres-secret
+              command:
+                - /bin/sh
+                - -c
+                - |
+                  mkdir -p /backup
+                  PGPASSWORD=$POSTGRES_PASSWORD pg_dump -U $POSTGRES_USER -h localhost $POSTGRES_DB > /backup/backup-$(date +'%Y-%m-%d').sql
+              volumeMounts:
+                - name: backup-volume
+                  mountPath: /backup
+          volumes:
+            - name: backup-volume
+              persistentVolumeClaim:
+                claimName: postgres-backup-pvc
+
+
+