webpack.production.config.js

const path = require('path'),
  webpack = require('webpack'),
  HtmlWebpackPlugin = require('html-webpack-plugin'),
  ExtractTextPlugin = require('extract-text-webpack-plugin'),
  StatsPlugin = require('stats-webpack-plugin');

module.exports = {
  entry: [
    path.join(__dirname, 'app/main.js')
  ],

  output: {
    path: path.join(__dirname, '/dist/'),
    filename: '[name]-[hash].min.js',
    publicPath: '/'
  },

  plugins: [
    new webpack.optimize.OccurenceOrderPlugin(),
    new HtmlWebpackPlugin({
      template: 'app/index.tpl.html',
      inject: 'body',
      filename: 'index.html'
    }),

    new ExtractTextPlugin('[name]-[hash].min.css'),
    new webpack.optimize.UglifyJsPlugin({
      compressor: {
        warnings: false,
        screw_ie8: true
      }
    }),

    new StatsPlugin('webpack.stats.json', {
      source: false,
      modules: false
    }),

    new webpack.DefinePlugin({
      'process.env.NODE_ENV': JSON.stringify(process.env.NODE_ENV)
    })
  ],

  module: {
    loaders: [{
      test: /\.jsx?$/,
      exclude: /node_modules/,
      loader: 'babel',
      query: {
        'presets': ['es2015', 'stage-0', 'react']
      }
    }, {
      test: /\.json?$/,
      loader: 'json'
    }, {
      test: /\.css$/,
      exclude: /node_modules/,
      loader: ExtractTextPlugin.extract('style',
        'css?modules&localIdentName=[name]---[local]---[hash:base64:5]!postcss')
    }]
  },
  
  postcss: [
    require('autoprefixer')
  ]
};