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  backend "s3" {
    bucket = "tfstate-willido"
    key    = "eks-cluster/dev/terraform.tfstate"
    region = "ap-southeast-2" 
 
    # For State Locking
    dynamodb_table = "ekscluster-dev"    
  } 

aws_region = "ap-southeast-2"
environment = "dev"
business_divsion = "tech"

terraform init
terraform apply -auto-approve

export KUBECONFIG=~/.kube/eks-tech-dev-demo
aws eks --region ap-southeast-2 update-kubeconfig --name tech-dev-eksdemo1
//add ~/.kube/eks-tech-dev-demo to your .bashrc or .zshrc

k config current-context
k config get-contexts
k config use-context <context_name>

kubectl get nodes
kubectl get nodes -o wide

alias k=kubectl
k create ns jr-tut
k get ns
k config set-context --current --namespace jr-tut

k run test-pod --image nginx
k expose pod test-pod -n jr-tut --type=LoadBalancer --port=80 --name=test-pod-svc

k get po
k get svc
k get po -o wide
k get po -o yaml

k delete svc test-pod-svc
k delete po test-pod

k apply -f ./manifests

k get deploy -o wide
k get rs -o wide
k get po -o wide
k get svc -o wide
//show po/deploy/rs/svc at once
k get all -o wide 
k describe deploy/app1-nginx-deployment
k describe svc/app1-nginx-clusterip-service

k scale deploy/app1-nginx-deployment  --replicas=3
k diff -f 01-NginxApp1-Deployment.yml
k edit deploy/app1-nginx-deployment //change the replica to 2

k logs -f app1-nginx-deployment-56959b9f6b-tgxcc //-f: follow

k exec -it  app1-nginx-deployment-56959b9f6b-tgxcc -- /bin/bash
k exec -it  app1-nginx-deployment-56959b9f6b-tgxcc -- ls
k exec -it  app1-nginx-deployment-56959b9f6b-tgxcc -- env

k delete -f ./manifests
k delete ns jr-tut
cd ./terraform && terraform destroy -auto-approve