fix: Default to kubernetes pod IP instead of deprecated pod DNS names (…

…#1244)

* fix: Migrate to kubernetes svc DNS names from the deprecated pod DNS names

Naive search replace to see what breaks in CI

* Revert "fix: Migrate to kubernetes svc DNS names from the deprecated pod DNS names"

This reverts commit 94c8c15.

* fix: Switch to use IPs by default instead of deprecated pod dns names

discovery-kubernetes-api/src/main/resources/reference.conf

@@ -34,7 +34,9 @@ akka.discovery {
     pod-label-selector = "app=%s"
 
     # Enables the usage of the raw IP instead of the composed value for the resolved target host
-    use-raw-ip = false
+    # Note that when using names, the deprecated DNS form <a>-<b>-<c>-<d>.<ns>.pod.<zone> is used
+    # and that may not work on newer Kubernetes versions.
+    use-raw-ip = true
 
     # When set, validate the container is not in 'waiting' state
     container-name = ""