diff --git a/apps/sharkey/app/stackgres.yaml b/apps/sharkey/app/stackgres.yaml
index ac1554e..5646efd 100644
--- a/apps/sharkey/app/stackgres.yaml
+++ b/apps/sharkey/app/stackgres.yaml
@@ -6,10 +6,10 @@ metadata:
 spec:
   postgres:
     version: '15'
-  instances: 2
+  instances: 1
   pods:
     persistentVolume:
-      size: '2Gi'
+      size: '50Gi'
       storageClass: ebs-ssd
   prometheusAutobind: true
   managedSql: