k8s-Hello-World

requirements:

• Minikube: https://minikube.sigs.k8s.io/docs/start/
• Kubectl: https://kubernetes.io/docs/tasks/tools/install-kubectl-macos/
• Docker cluster to run minikube

minikube:

• Minikube start // Starts the minikube on the docker cluster
• (optional) minikube dashboard // Used for monitoring the minikube

kubectl:

• kubectl create deployment <deployment_name> --image=ofekm97/k8s-hello-world // Pulles the image from docker hub
• kubectl expose deployment <deployment_name> --type=NodePort --port=3000 // Create a service that expose the deployment (image) to external IP address (3000 because the node server listen in port 3000)
• kubectl port-forward service/<deployment_name> <port_num>:3000 // Access the application in the cluster from cluster port 3000 via localhost port <port_num>

go to http:/localhost:<port_num>/

Upload your image to gcp

first, you will need to set a paying account in gcp. open gcp cloud console:

• clone your project
• build you docker image
• upload your image to the container registry
• create a GKE cluster
• run:
  • kubectl apply -f deployment.yaml
  • kubectl apply -f service.yaml