service
create
the generator way
kubectl expose deployments ghost --port=2368 --type=NodePort
kubectl expose deploy/nginx --port 80
proxy
kubectl proxy open http://localhost:8001/api/v1/proxy/namespaces/default/services/nginx/
dns
$service_name.$namespace.svc.cluster.local
kubectl run busybox --image busybox -it -- /bin/sh
nslookup nginx