diff --git a/manifests/tennotrade/values.yaml b/manifests/tennotrade/values.yaml
index 4469e1d..01ef0d5 100644
--- a/manifests/tennotrade/values.yaml
+++ b/manifests/tennotrade/values.yaml
@@ -4,4 +4,11 @@ postgres:
   password: wfpass        # simple for POC
   database: wf
 service:
-  port: 5432
\ No newline at end of file
+  port: 5432
+
+# Persistence configuration for StatefulSet
+persistence:
+  enabled: true
+  accessMode: ReadWriteOnce
+  storageClass: "nfs-client"   # empty -> default StorageClass. Set to e.g. 'fast' if needed
+  size: 8Gi
\ No newline at end of file