webpack.config.js

const path = require('path')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const CleanWebpackPlugin = require('clean-webpack-plugin')

const buildDirectory = 'build'

module.exports = {
  entry: './src/client/index.js',
  output: {
    filename: 'bundle.js',
    sourceMapFilename: '[file].map',
    path: path.join(__dirname, buildDirectory),
    publicPath: '/',
  },
  module: {
    rules: [
      {
        test: /\.js$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
        },
      },
      {
        test: /\.css$/,
        use: ['style-loader', 'css-loader'],
      },
      {
        test: /\.(png|woff|woff2|eot|ttf|svg)$/,
        loader: 'url-loader?limit=100000',
      },
    ],
  },
  devServer: {
    port: 3000,
    open: true,
    historyApiFallback: true,
    proxy: {
      '/api': {
        target: 'http://localhost:3001',
        secure: false,
      },
    },
  },
  plugins: [
    new CleanWebpackPlugin([buildDirectory]),
    new HtmlWebpackPlugin({
      template: './public/index.html',
      favicon: './public/favicon.ico',
    }),
  ],
}