webpack.config.js

var webpack = require('webpack')
var path = require('path')
var OpenBrowserPlugin = require('open-browser-webpack-plugin');


module.exports = {
  devServer: {
    historyApiFallback: true,
    hot: true,
    inline: true,
    progress: true,
    // contentBase: './static',
    port: 8080

  },
  entry: [
    'webpack/hot/dev-server',
    'webpack-dev-server/client?http://localhost:8080',
    path.resolve(__dirname, 'src/app.js')
  ],
  output: {
    path: __dirname + '/build',
    publicPath: 'static',
    filename: './bundle.js'
  },
  module: {
    loaders: [{
      test: /\.css$/,
      loader: 'style!css'
    }, {
      test: /\.js[x]?$/,
      exclude: /node_modules/,
      loader: 'react-hot!babel'
    }, {
      test: /\.scss$/,
      loader: 'style!css!sass'
    }]
  },
  resolve: {
    extensions: ['', '.js', '.jsx'],
  },
  plugins: [
    new webpack.DefinePlugin({
      'process.env': {
        'NODE_ENV': '"development"'
      }
    }),
    new OpenBrowserPlugin({
      url: 'http://localhost:8080'
    })
  ]
};