The new Webpack docs are great ([0]). Also, my React/Redux links list ([1]) has a couple sections on Webpack tutorials ([2]) and Webpack advanced techniques ([3]) like Hot Module Reloading, file chunking, and build optimization.

[0] https://webpack.js.org/

[1] https://github.com/markerikson/react-redux-links

[2] https://github.com/markerikson/react-redux-links/blob/master...

[3] https://github.com/markerikson/react-redux-links/blob/master...