How to use create-react-app with a full stack framework

[fnick851]

For example, I could have an existing ASP.NET app. Then I need to build a component using React on a page served by ASP.NET. How do I configure create-react-app for this scenario without ejecting?

For example, Vite has some guidance for this scenario: https://vitejs.dev/guide/backend-integration.html#backend-integration

I want to use create-react-app because sometimes I need certain babel plugins that Vite does not support well.