feat(backup): Add scheduled backup

manifests/grafana/database-backup.yaml

@@ -0,0 +1,10 @@
+apiVersion: postgresql.cnpg.io/v1
+kind: ScheduledBackup
+metadata:
+  name: grafana-db-backup
+  namespace: monitoring
+spec:
+  schedule: "0 0 0 * * *"
+  backupOwnerReference: self
+  cluster:
+    name: grafana-db

manifests/grafana/kustomization.yaml

@@ -7,5 +7,6 @@ resources:
   - ingress.yaml
   - servicemonitor.yaml
   - database.yaml
+  - database-backup.yaml
   - datasources.yaml
   - deployment.yaml