webpack.js

{
  'entry': {
    'app': './src/index.js',
    'vendor': [
      'react',
      'react-redux',
      'redux',
      'react-router',
      'redux-thunk'
    ]
  },
  'output': {
    'path': path.resolve(__dirname, './dist'),
    'publicPath': '/',
    'filename': 'static/js/[name].[hash].js',
    'chunkFilename': 'static/js/[name].[hash].js'
  },
  'plugins': [
    new webpack.optimize.CommonsChunkPlugin({
      name: ['vendor'],
      minChunks: Infinity,
      filename: 'static/js/[name].[hash].js',
    }),
  }
}