do not create the postgres PVC inside the helm chart

helmchart/single-sign-on/Chart.yaml

 apiVersion: v1
 description: A Helm chart for Stackspin's Single sign-on components
 name: single-sign-on
-version: 0.4.1
+version: 0.4.2

helmchart/single-sign-on/templates/pvc-kratos-database.yaml

-apiVersion: v1
-kind: PersistentVolumeClaim
-metadata:
-  name: single-sign-on-database
-spec:
-  accessModes:
-    - ReadWriteOnce
-  volumeMode: Filesystem
-  resources:
-    requests:
-      storage: 1Gi
-  storageClassName: local-path
-
-

helmchart/single-sign-on/values.yaml

@@ -72,10 +72,9 @@ userbackend:
 
 postgresql:
   persistence:
-    existingClaim: "single-sign-on-database"
     enabled: true
     size: 1Gi
-    storageClass: "-"
+    storageClass: "local-path"
     annotations: {}
   initdbScripts:
     setup.sql: |