support
diff --git a/metadata/service/server/local.yml b/metadata/service/server/local.yml
index 24b57f5..e66ab6e 100644
--- a/metadata/service/server/local.yml
+++ b/metadata/service/server/local.yml
@@ -1,5 +1,7 @@
 applications:
 - postgresql
+classes:
+- service.postgresql.support
 parameters:
   postgresql:
     server: