webpack.client.config.js

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

const outputDirectory = 'dist';

module.exports = {
  name: 'client',
  devtool: 'source-map',
  entry: './src/client/index.js',
  output: {
    path: path.join(__dirname, outputDirectory),
    publicPath: '/',
    filename: 'bundle.js',
  },
  module: {
    rules: [
      {
        test: /\.js$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
        },
      },
      {
        test: /\.html$/,
        use: {
          loader: 'html-loader',
          options: {
            minimize: true,
          },
        },
      },
      {
        test: /\.css$/,
        use: ['style-loader', 'css-loader'],
      },
    ],
  },
  devServer: {
    port: 3000,
    open: true,
    proxy: {
      '/api': 'http://localhost:9000',
    },
  },
  plugins: [
    new CleanWebpackPlugin([outputDirectory]),
    new HtmlWebPackPlugin({
      template: './src/index.html',
      filename: 'index.html',
    }),
  ],
};