Rails - Replace webpack with importmapped Hotwire as default js #42999

https://github.com/rails/rails/pull/42999 

Where's the connection between index.html and index.js in a Create-React-App application?

 https://stackoverflow.com/questions/41738421/how-react-js-index-js-file-contacting-index-html-for-id-references

https://stackoverflow.com/questions/42438171/wheres-the-connection-between-index-html-and-index-js-in-a-create-react-app-app

How to specify a port to run a create-react-app based project?

 https://stackoverflow.com/questions/40714583/how-to-specify-a-port-to-run-a-create-react-app-based-project#comment78121210_42232944

https://stackoverflow.com/a/40714921

Webpack overview

https://what-problem-does-it-solve.com/webpack/intro.html

Why does Rails 6 include both Webpacker and Sprockets?

https://rossta.net/blog/why-does-rails-install-both-webpacker-and-sprockets.html

RailsConf 2020 CE - Webpacker, It-Just-Works, But How? by Justin Gordon