#Requires:

• Minikube
• Docker
• Docker HUB account (or modify code to use local repo/ copy images to the Minikube node)

git clone https://github.com/embano1/Docker_Demo
cd Docker_Demo
git checkout v1.0
bash build
docker build -t <Docker_Hub_Username>/docker_demo:1.0 .
docker push <Docker_Hub_Username>/docker_demo
git checkout v2.0
docker build -t <Docker_Hub_Username>/docker_demo:2.0 .
docker push <Docker_Hub_Username>/docker_demo

kubectl run dockerdemo --image=<Docker_Hub_Username>/docker_demo:1.0 --port=8080 --record
kubectl expose deployment dockerdemo --type=NodePort --port=8080 --target-port=8080
kubectl describe svc dockerdemo | grep NodePort (to access the service from outside the Kubernetes cluster)

while true; do curl <minikube_IP>:<NodePort>; sleep 1; done
kubectl scale --replicas=10 deployment/dockerdemo --record

kubectl get pods -w
kubectl set image deployment/dockerdemo dockerdemo=<Docker_Hub_Username>/docker_demo:2.0 --record
kubectl rollout status deployment/dockerdemo

kubectl rollout history deployment dockerdemo
kubectl rollout history deployment dockerdemo --revision=<e.g. #8>

kubectl rollout undo deployment/dockerdemo --to-revision=<e.g. #6 if exists>