docker-node-helloworld

Demo to run Node.js in Docker container.

Run start_docker.sh script to automatically build and run the docker image.

Using new Deployments Feature

kubectl create -f helloworld-v1.yaml
kubectl expose deployment hello-node --type="LoadBalancer"

Rolling Update

kubectl apply -f helloworld-v2.yaml

To show pod labels:

kubectl get pods --show-labels

Scale with command line:

kubectl scale deployment hello-node --replicas=2

Misc Notes

kubectl run deployments/helloworld-v1.yaml

kubectl get pods

kubectl expose deployment hello-node --type="LoadBalancer"

kubectl get svc hello-node
kubectl get services hello-node

kubectl describe svc hello-node

kubectl get services kube-dns --namespace=kube-system