using Kubernetes in deferent name spaces

Create two namespaces:

One for frontend

One for backend

Apply a ResourceQuota in each namespace to limit the maximum number of Pods (e.g., 5).

Create a backend Deployment in the backend namespace. (use any image act as a backend)

Expose it internally with a ClusterIP Service.

Create a frontend Deployment in the frontend namespace.(use any image act as a frontend)

Access the backend from the frontend: