Java Spark Web Frontend and Backend Apps

Java Spark Web Frontend and Backend Apps

August 16, 2022

We'll cover the Java Spark Microframework. This is Sinatra-like framework in Java.

This lightweight framework is great to use for quick demo apps.

  • We'll walk thorough both simple pre-built backend and frontend apps. The frontend app simple calls the backend app.
  • We'll first get everything running locally.
  • Then we'll deploy both apps onto a Kubernetes cluster and confirm it's working.
  • We configure the BACKEND_ENDPOINT with a Kubernetes ConfigMap so the frontend service calls the proper backend service in Kubernetes cluster.
  • We'll use the Kubes tool to automate the deployment process.

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