add k8s port check (#106)

* add k8s port check

* Update pekko-sample-cluster-kubernetes-java/src/main/resources/application.conf

Co-authored-by: AndyChen(Jingzhang) <iRoiocam@gmail.com>

* Update pekko-sample-cluster-kubernetes-scala/src/main/resources/application.conf

Co-authored-by: AndyChen(Jingzhang) <iRoiocam@gmail.com>

* update the comment for user understanding

---------

Co-authored-by: AndyChen(Jingzhang) <iRoiocam@gmail.com>
2 files changed