diff --git a/deploy/postgres/values.yaml b/deploy/postgres/values.yaml
new file mode 100644
index 0000000..6607ade
--- /dev/null
+++ b/deploy/postgres/values.yaml
@@ -0,0 +1,14 @@
+global:
+  storageClass: longhorn
+
+primary:
+  persistence:
+    enabled: true
+    storageClass: longhorn
+    size: 20Gi
+
+readReplicas:
+  persistence:
+    enabled: true
+    storageClass: longhorn
+    size: 20Gi