Structured HelloWhale

Author: Ajeet Singh Raina

workshop/dockerdesktop/mac/kubernetes/java/hellowhale/README.md

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+
+# Deploying a Sample Nginx-based HelloWhale App on Kubernetes
+
+## Pre-requisite:
+
+- Docker Desktop
+- Enable Kubernetes under Docker Desktop
+
+## Getting Started
+
+
+```
+kubectl create deployment hellowhale --image ajeetraina/hellowhale
+deployment "hellowhale" created
+```
+
+## Listing the Deployment
+
+
+```
+kubectl get deploy
+```
+
+## Result:
+
+```
+NAME         DESIRED   CURRENT   UP-TO-DATE   AVAILABLE   AGE
+hellowhale   1         1         1            1           10s
+```
+
+
+```
+kubectl get nodes
+NAME             STATUS   ROLES           AGE   VERSION
+docker-desktop   Ready    control-plane   15h   v1.25.2
+```
+
+```
+ajeetraina@Docker-Ajeet-Singh-Rainas-MacBook-Pro ddextension % kubectl get po   
+NAME                          READY   STATUS    RESTARTS      AGE
+hellowhale-66b5557c4c-k8zts   1/1     Running   2 (29m ago)   14h
+```
+
+```
+ajeetraina@Docker-Ajeet-Singh-Rainas-MacBook-Pro ddextension % kubectl get po,svc,deploy
+NAME                              READY   STATUS    RESTARTS      AGE
+pod/hellowhale-66b5557c4c-k8zts   1/1     Running   2 (29m ago)   14h
+
+NAME                    TYPE           CLUSTER-IP      EXTERNAL-IP   PORT(S)        AGE
+service/hellowhalesvc   LoadBalancer   10.104.95.130   localhost     80:31424/TCP   14h
+service/kubernetes      ClusterIP      10.96.0.1       <none>        443/TCP        14h
+
+NAME                         READY   UP-TO-DATE   AVAILABLE   AGE
+deployment.apps/hellowhale   1/1     1            1           14h
+ajeetraina@Docker-Ajeet-Singh-Rainas-MacBook-Pro ddextension % 
+```
+
+Open https://localhost:80 to access Hello Whale Sample app.
+
+
+<img width="736" alt="image" src="https://user-images.githubusercontent.com/313480/210483625-289f4127-98f3-4fca-8bba-79f82f370d71.png">
+