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/walne/prod.jsonnet b/app/walne/prod.jsonnet
index da98b70..0a23d96 100644
--- a/app/walne/prod.jsonnet
+++ b/app/walne/prod.jsonnet
@@ -47,7 +47,7 @@
     },
 
     service: top.ns.Contain(kube.Service(cfg.name)) {
-        target_pod:: top.deployment.spec.template,
+        target:: top.deployment,
     },
 
     ingress: top.ns.Contain(kube.SimpleIngress(cfg.name)) {