plugins: [
    new webpack.optimize.CommonsChunkPlugin({
        name: ['app', 'vendor', 'polyfills']
    }),
    new HtmlWebpackPlugin({
        template: 'config/index.html'
    }),
    // minifies our code
    new webpack.optimize.UglifyJsPlugin({
        beautify: false,
        comments: false,
        compress: {
            screw_ie8: true,
            warnings: false
        },
        mangle: {
            keep_fnames: true,
            screw_i8: true
        }
    }),
    new webpack.DefinePlugin({
        'process.env': {
            'ENV': JSON.stringify(ENV)
        }
    })
]