Launching Kubernetes Cluster with Deployment

Let's understand Deployment & how to make replica sets in K8s.

What is Deployment in k8s?

A Deployment provides a configuration for updates for Pods and ReplicaSets.
You describe a desired state in a Deployment, and the Deployment Controller changes the actual state to the desired state at a controlled rate.
You can define Deployments to create new replicas for scaling or to remove existing Deployments and adopt all their resources with new Deployments.

Create one Deployment file to deploy a sample todo-app on K8s using the "Auto-healing" and "Auto-Scaling" features to

add a deployment.yml file.
apply the deployment to your k8s (minikube) cluster by command kubectl apply -f deployment.yml

First, add a deployment.yaml file inside the "k8s-projects" folder. This file will pull the image from DockerHub.
Then we apply the deployment to the K8s cluster by using kubectl apply -f deployment.yaml command.
We can view the deployments by using kubectl get deployments.
Even if we delete one pod, it will auto-healed automatically within no time. These show an auto-healing feature of the Kubernetes cluster.
This is optional we can see the running container in this way inside the docker with the help of minikube ssh command.

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