Discussion on: Don't struggle with extending the service worker in Create React App anymore. Upgrade to version 4!

I created a react app with create-react-app 4.1.0 but it doesn't generate a serviceworker in src, now i want to convert the react app into a pwa I created a worker.js in the public/
but to register the serviceworker in the src/index.js i want a serviceworker.js.

Any Insights regarding how to create a custom serviceworker file.