kubernetes-essentials/02-deployments/canary/without-istio

kubectl create ns canary
kubectl apply -f app-v1.yaml

 kubectl run --restart=Never --image=raesene/alpine-nettools nettools
 kubectl exec -it nettools -- /bin/sh
 
 while true; do curl http://my-app.canary; done

 kubectl apply -f app-v2.yaml

kubectl scale deployment my-app-v2 -n canary --replicas=10 
kubectl scale deployment my-app-v1 -n canary  --replicas=0
kubectl get pods -n canary


 kubectl delete ns canary