kube: add target:: convenience field to Service

Change-Id: If69116d93b6074136a36d98973e1aa997e2ebbef
Reviewed-on: https://gerrit.hackerspace.pl/c/hscloud/+/1802
Reviewed-by: q3k <q3k@hackerspace.pl>
diff --git a/app/onlyoffice/prod.jsonnet b/app/onlyoffice/prod.jsonnet
index ecf61c7..6919b1a 100644
--- a/app/onlyoffice/prod.jsonnet
+++ b/app/onlyoffice/prod.jsonnet
@@ -66,7 +66,7 @@
         },
 
         svc: oo.ns.Contain(kube.Service("documentserver")) {
-            target_pod:: oo.deploy.spec.template,
+            target:: oo.deploy,
         },
 
         ingress: oo.ns.Contain(kube.SimpleIngress("office")) {