[CORD-2889]
Use premade `postgres` container

Change-Id: Ifc9a021c425d8f03c98d566978400884fbace4de
diff --git a/xos-core/templates/db-service.yaml b/xos-core/templates/db-service.yaml
index a011362..802665a 100644
--- a/xos-core/templates/db-service.yaml
+++ b/xos-core/templates/db-service.yaml
@@ -21,7 +21,7 @@
 spec:
   type: NodePort
   ports:
-  - port: 5432 
+  - port: 5432
     targetPort: 5432
     nodePort: {{ .Values.node_ports.db_service_port }}
     protocol: TCP