LAB-02.md

LAB-02

Deploying Application with Kubernetes

Launch vote application with kubernetes

kubectl run vote --image=c4clouds/vote:v1

To view the pod

kubectl get pods

kubectl get deployments

Scalability

Scale the vote app to run X number of pods

kubectl scale deployment vote --replicas=6

kubectl get pods

Accessing the vote application

kubectl expose deployment vote --type=NodePort --port 80

kubectl get svc

Working with Service Discovery

Once you expose the vote applcation to nodeport you can view the application by navigaing to any NODEIP:SERVICEPORT After getting the UI if you click on any of the button you will get error message. Inorder to resolve this follow the below command

kubectl  create deployment  redis  --image=redis:alpine

kubectl expose deployment redis --port 6379

kubectl  create deployment  worker --image=c4clouds/worker

kubectl  create deployment  db --image=postgres:9.4

kubectl expose deployment db --port 5432

kubectl create deployment  result --image=c4clouds/vote-result

kubectl expose deployment result --type=NodePort --port 80