// development config require('dotenv').config(); const merge = require('webpack-merge'); const commonConfig = require('./webpack.common'); module.exports = merge(commonConfig, { mode: 'development', entry: [ './src/index.tsx' // the entry point of our app ], devServer: { host: '0.0.0.0', hot: true, // enable HMR on the server host: '0.0.0.0', port: process.env.PORT, historyApiFallback: true, stats: { assets: true, builtAt: true, modules: false, children: false } }, devtool: 'eval-source-map', });