webpack.config.js

const webpack = require('webpack');
const path = require('path');

const BUILD_DIR = path.resolve(__dirname, 'public');
const APP_DIR = path.resolve(__dirname, 'client/app');

module.exports = {
  devtool: 'source-map',
  entry: `${APP_DIR}/index.jsx`,
  output: {
    path: BUILD_DIR,
    publicPath: '/',
    filename: 'bundle.js'
  },
  resolve: {
    extensions: ['.js', '.jsx']
  },
  module: {
    rules: [
      { test: /\.jsx?/, include: APP_DIR, loader: 'babel-loader' },
      { test: /(\.css)$/, loaders: ['style-loader', 'css-loader'] },
      { test: /(\.scss)$/, loaders: ['style-loader', 'css-loader', 'sass-loader'] },
      { test: /\.eot(\?v=\d+\.\d+\.\d+)?$/, loader: 'file' },
      { test: /\.(woff|woff2)$/, loader: 'url?prefix=font/&limit=5000' },
      { test: /\.ttf(\?v=\d+\.\d+\.\d+)?$/, loader: 'url?limit=10000&mimetype=application/octet-stream' },
      { test: /\.svg(\?v=\d+\.\d+\.\d+)?$/, loader: 'url?limit=10000&mimetype=image/svg+xml' },
      { test: /\.(jpg|png|svg|jpeg)$/, loader: 'url-loader',
      options: { limit: 25000 },}
      ]
  }
};