Create and expose deployment using NodePort Service in Kubernetes

This is a practice question for Kubernetes CKA and CKAD exams.

Question
We have a 3 node cluster setup locally using kubeadm. We need to do the following:

Create a deployment named web-deploy with the 3 replicas of image mycloudtutorials/poddeployservicedemo:latest in namespace app1
(The Docker container is created from apache image, exposing the application on port 80)
Pass the following environment variables NODE_NAME, POD_NAME, POD_IP which are the name of the node where the pod is running, name of the pod and the ip address of the pod respectively
Verify the pods are working fine, by curl to the individual pods using POD’s internal ip address
Create a service for this deployment of type NodePort with name web-service in namespace app1 on port 30090
Check the End points
Access the service on each of the node:port of the cluster nodes from outside of the cluster

Answer
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