Project sources https://github.com/ThisIsRuddy/express-es6-webpack-workflow Creating a Node Express-Webpack App with Dev and Prod Builds including configuration and tests https://medium.com/@binyamin/creating-a-node-express-webpack-app-with-dev-and-prod-builds-a4962ce51334 sass reference https://www.codementor.io/valentinrad/roll-your-own-tiny-react-environment-using-webpack-babel-and-sass-ei70wyhjl