React 18 alpha, Webpack 5, react-router Babel boilerplate Commands yarn run dev - install packages and to start the app yarn run build - to get the production build yarn run build-serve - to get the production build and run the app, open localhost:5000 to test the build Current build folder size - 161 KB Create .env file at root of this project and add below code NODE_ENV=production SKIP_PREFLIGHT_CHECK=true CI=false GENERATE_SOURCEMAP=false