minikube // setup node ports for balancing

assuming a two k8s or minikube node cluster

kiss nodeport + replicas

kubectl create deploy web --image=gcr.io/google-samples/hello-app:1.0 --replicas=3
kubectl get deploy -o wide
kubectl get pods -o wide

==> here one pod on node1 and two pods on node2

kubectl expose deploy web --type=NodePort --port=8080
kubectl get svc -o wide

and check

curl -i http://192.168.49.2:30xxx
curl -i http://192.168.49.3:30xxx

==> goes to 3 different hostnames/pods whatever node you are talking to

note it will always go to the same pod if you use a web browser… (thanks to the keepalive feature that is enabled by default)

kubectl delete svc web
kubectl delete deploy web

type NodePort is already balancing across the cluster, not sure what type LoadBalancer is useful for

#kubectl expose deployment web --type=LoadBalancer --port=8080