webpack.config.js

var path = require('path');
var webpack = require('webpack');
var WriteFilePlugin = require('write-file-webpack-plugin');
module.exports = {
  devtool: 'source-map',
  entry: [
    './src/index.js'
  ],
  output: {
    path: __dirname,
    publicPath: '/',
    filename: 'bundle.js',
    path: path.join(__dirname, './static')
  },
  plugins: [
    new webpack.optimize.UglifyJsPlugin({minimize: true}),
    new webpack.DefinePlugin({
    'process.env': {
      'NODE_ENV': JSON.stringify("production")
    }
  }),
  new WriteFilePlugin()
],
  module: {
    loaders: [{
      exclude: /node_modules/,
      loader: 'babel',
      query: {
        presets: ['react', 'es2015', 'stage-1']
      }
    },{
      test: /\.s?css$/,
      loaders: ['style','css','sass'],
      include: path.join(__dirname, 'src')
    }]
  },
  resolve: {
    extensions: ['', '.js', '.jsx']
  },
  devServer: {
    historyApiFallback: true,
    contentBase: './'
  }
};