database setup
diff --git a/metadata/service/server/single.yml b/metadata/service/server/single.yml
index db2ade8..acf3d52 100644
--- a/metadata/service/server/single.yml
+++ b/metadata/service/server/single.yml
@@ -3,4 +3,10 @@
 parameters:
   grafana:
     server:
-      enabled: true
\ No newline at end of file
+      enabled: true
+      database:
+        engine: postgresql
+        host: 127.0.0.1
+        name: grafana
+        password: ${_param:postgresql_grafana_password}
+        user: grafana
\ No newline at end of file