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/matrix/lib/coturn.libsonnet b/app/matrix/lib/coturn.libsonnet
index c27b196..e63a0bc 100644
--- a/app/matrix/lib/coturn.libsonnet
+++ b/app/matrix/lib/coturn.libsonnet
@@ -130,7 +130,7 @@
     },
 
     svcTCP: app.ns.Contain(kube.Service("coturn-tcp")) {
-        target_pod:: app.deployment.spec.template,
+        target:: app.deployment,
         metadata+: {
             annotations+: {
                 "metallb.universe.tf/allow-shared-ip": "coturn",
@@ -150,7 +150,7 @@
     },
 
     svcUDP: app.ns.Contain(kube.Service("coturn-udp")) {
-        target_pod:: app.deployment.spec.template,
+        target:: app.deployment,
         metadata+: {
             annotations+: {
                 "metallb.universe.tf/allow-shared-ip": "coturn",