Add remote_write

Minor fix for application naming

Change-Id: Ie725b43a5aa9967c31ef482429176bccc21d9f02
diff --git a/metadata/service/pushgateway/container.yml b/metadata/service/pushgateway/container.yml
index c667eb1..8d2e60e 100644
--- a/metadata/service/pushgateway/container.yml
+++ b/metadata/service/pushgateway/container.yml
@@ -1,5 +1,5 @@
 applications:
-  - pushgateway
+  - prometheus
 parameters:
   prometheus:
     pushgateway: