Create ./k8s folder and files

[muyunli123]

As a developer I need to create necessary Kubernetes manifest files for deployment
So that Kubernetes will know how to deploy the application

Details and Assumptions

• Create a ./k8s folder in project repo
• add deployment.yaml in folder
• add service.yaml in folder

• add ingress.yaml in folder

  Acceptance Criteria

  Given the necessary Kubernetes manifest files
  When deploy the service in Kubernetes
  Then the details are configured