cd kuberapp/
kubectl apply -f dev-namespace.yml
kubectl apply -f mongo -n dev
kubectl apply -f ui -n dev
kubectl apply -f post -n dev
kubectl apply -f comment -n dev
Get external IP of any of the node in cluster/or use google cloud web console gui
kubectl get nodes -o wide
Find a port which is used for service ui
kubectl describe service ui -n dev | grep NodePort
Go to url http://external_ip:nodeport
and enjoy