webpack.config.js

const path = require('path');
const webpack = require('webpack');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const CleanWebpackPlugin = require('clean-webpack-plugin');
const WorkboxPlugin = require('workbox-webpack-plugin');
const CopyWebpackPlugin = require('copy-webpack-plugin');

require('dotenv').config();

const outputDirectory = 'dist';

module.exports = {
  entry: './src/client/index.js',
  output: {
    path: path.join(__dirname, outputDirectory),
    filename: 'bundle.js'
  },
  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,
    proxy: {
      '/api': 'http://localhost:8080'
    }
  },
  plugins: [
    new CleanWebpackPlugin([outputDirectory]),
    new HtmlWebpackPlugin({
      template: './public/index.html'
    }),
    new WorkboxPlugin.GenerateSW(),
    new CopyWebpackPlugin([{ from: 'src/pwa' }]),
    new webpack.DefinePlugin({
      'process.env.MEDIA_BASE_URL': JSON.stringify(process.env.MEDIA_BASE_URL)
    })
  ]
};