I'm quite new to Kubernetes. What I have found is that the ports I expected, are used
root@vmd62521:~# kubectl get services -n trains  NAME                   TYPE       CLUSTER-IP     EXTERNAL-IP  PORT(S)         AGE mongo-service          ClusterIP  10.43.99.44    <none>       27017/TCP       25h webserver-service      NodePort   10.43.49.21    <none>       80:30080/TCP    25h redis                  ClusterIP  10.43.62.222   <none>       6379/TCP        25h elasticsearch-service  ClusterIP  10.43.195.218  <none>       9200/TCP        25h apiserver-service      NodePort   10.43.195.121  <none>       8008:30008/TCP  25h fileserver-service     NodePort   10.43.141.119  <none>       8081:30081/TCP  25h root@vmd62521:~#