webpack.config.js

var webpack = require('webpack');
var values = require('postcss-modules-values');
var precss = require('precss');
var autoprefixer = require('autoprefixer');

module.exports = {
  entry: './src',
  output: {
    path: './build',
    filename: 'bundle.js',
    publicPath: '/'
  },
  devServer: {
    inline: true,
    publicPath: '/build/',
    historyApiFallback: true
  },
  module: {
    loaders: [
      {
        test: /\.jsx?$/,
        exclude: /node_modules/,
        loader: 'babel'
      },
      {
        test: /\.css$/,
        loader: 'style!css-loader?modules&importLoaders=1&localIdentName=[name]__[local]___[hash:base64:5]!postcss-loader'
      },
      {
        test: /\.svg$/,
        loader: 'url-loader?limit=10000&mimetype=image/svg+xml'
      },
      {
        test: /\.png$/,
        loader: 'url-loader?mimetype=image/png'
      },
      {
        test: /\.gif$/,
        loader: 'url-loader?mimetype=image/gif'
      }
    ]
  },
  postcss: function () {
    return [values, autoprefixer, precss];
  },
  plugins: [
    new webpack.DefinePlugin({
      'process.env.NODE_ENV': JSON.stringify(process.env.NODE_ENV || 'development')
    })
  ]
};