sbalasa/k8s

This is a simple app managed using kubernetes

k8s

This is a simple app managed using kubernetes

App Name: my-app.example

Docker Image: Nginx

• kind Pod -> pod.yml
• kind Replica Set -> replicaSet.yml
• kind Service -> service.yml
• kind Ingress -> ingress.yml
• kind Deployment -> deployment.yml

Commands:

1. Spin up pods locally using minikube

minikube status
minikube start

2. Spin up a pod

kubectl get pods
kubectl apply -f pod.yml

3. Spin up replica set of 3

kubectl get replicasets
kubectl apply -f replicaSet.yml

4. Spin up service

kubectl get replicasets
kubectl apply -f service.yml

5. Spin up ingress controller

kubectl get ingress
kubectl apply -f ingress.yml

6. Spin up deployment for auto updates and rollbacks

kubectl get deployments
kubectl apply -f deployment.yml

To find IP of the app service

minikube ip

To Test

kubectl run --rm --it --image-alpine my-test
apk -U add curl
curl -v app-service or curl -X GET http://<ip-address>/

To change deployment

kubectl edit deployment pod-deployment

To rollback

kubectl rollout undo deployment/pod-deployment

Workflows