Deploy Kubernetes Cluster on any gcloud ( 90 days Free trail for demo) or can be paid https://console.cloud.google.com/ register with ne user adn all detail and login
Please refer Kube-doc and automate deployment pdf files based
Download the attached and deploy as below mentioned commands
kubectl apply -f mongo-secret.yaml
kubectl apply -f mongo.yaml
kubectl apply -f mongo-configmap.yaml
kubectl apply -f mongo-express.yaml
kubectl get pod
kubectl get pod --watch
kubectl get pod -o wide
kubectl get service
kubectl get secret
kubectl get all | grep mongodb
kubectl describe pod mongodb-deployment-xxxxxx
kubectl describe service mongodb-service
kubectl logs mongo-express-xxxxxx
#####automate deployments###############
Edit code or configuration .YML
Push it to your Git repository
Build a new Docker image
Push the Docker image
Log in to your K8s cluster
Run kubectl apply or kubectl set image