webpack.config.prod.js

var path = require('path')
var webpack = require('webpack')
var nib = require('nib')
var ExtractTextPlugin = require("extract-text-webpack-plugin")

module.exports = {
  devtool: 'source-map',
  entry: [
    './src/index'
  ],
  output: {
    path: path.join(__dirname, 'static'),
    filename: 'bundle.js',
    publicPath: '/static/'
  },
  resolve: {
    extensions: ['', '.js', '.jsx', '.styl']
  },
  plugins: [
    new webpack.optimize.OccurenceOrderPlugin(),
    new webpack.DefinePlugin({
      'process.env': {
        'NODE_ENV': JSON.stringify('production')
      }
    }),
    new webpack.optimize.UglifyJsPlugin({
      compressor: {
        warnings: false
      }
    }),
    new ExtractTextPlugin("styles.css", {allChunks: true})
  ],
  module: {
    loaders: [{
      test: /\.(js|jsx)$/,
      loaders: ['babel'],
      include: path.join(__dirname, 'src')
    }, {
      test: /\.styl$/,
      loader: ExtractTextPlugin.extract('style-loader', 'css-loader!stylus-loader')
    }]
  },
  stylus: {
    use: [nib()]
  }
}