webpack.config.js

const webpack = require('webpack');
const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
require('dotenv').config();

const VENDOR_LIBS = [
  'react',
  'react-dom',
  'styled-components',
];
const config = {
  entry: {
    bundle: './src/index.js',
    vendor: VENDOR_LIBS,
  },
  output: {
    publicPath: '/',
    path: path.resolve(__dirname, 'build'),
    filename: '[name].[chunkhash].js',
    chunkFilename: '[name].[chunkhash].js',
  },
  devServer: {
    historyApiFallback: true,
  },
  module: {
    rules: [
      {
        test: /\.js$/,
        loader: 'babel-loader',
        exclude: /node_modules/,
      },
      {
        test: /\.css$/,
        loaders: ['style-loader', 'css-loader'],
      },
      {
        test: /\.(jpe?g|png|gif|svg)$/i,
        loaders: [
          {
            loader: 'url-loader',
            options: { limit: 40000 },
          },
        ],
      },
    ],
  },
  plugins: [
    new webpack.optimize.CommonsChunkPlugin({
      names: ['vendor', 'manifest'],
    }),
    new webpack.DefinePlugin({
      'process.env': {
        NODE_ENV: JSON.stringify(process.env.NODE_ENV || 'development'),
        API_URL: JSON.stringify(process.env.API_URL),
      },
    }),
    new HtmlWebpackPlugin({
      template: 'src/index.html',
      favicon: 'src/assets/favicon.png',
    }),
  ],
};

module.exports = config;