webpack.config.production.js

require('es6-promise').polyfill();
var webpack = require('webpack');
var path = require('path');

var BUILD_DIR = path.resolve(__dirname, 'public');
var APP_DIR = path.resolve(__dirname, 'client');
var LESS_DIR = path.resolve(__dirname, 'less');

var config = {
    devtool: 'source-map',
    entry: [
        'babel-polyfill',
        path.join(__dirname, 'client/index.jsx'),
        LESS_DIR + '/site.less'
    ],
    output: {
        path: BUILD_DIR,
        filename: 'bundle.min.js',
        publicPath: '/'
    },
    plugins: [
        new webpack.optimize.UglifyJsPlugin({
            sourceMap: true,
            compressor: {
                warnings: false,
                screw_ie8: true
            }
        }),
        new webpack.DefinePlugin({
            'process.env.NODE_ENV': JSON.stringify('production')
        }),
        new webpack.ProvidePlugin({
            $: 'jquery',
            jQuery: 'jquery'
        })
    ],
    module: {
        rules: [
            {
                test: /\.jsx?/,
                exclude: /(node_modules|bower_components)/,
                loader: 'babel-loader'
            },
            {
                test: /\.scss$/,
                use: [
                    'style-loader',
                    'css-loader',
                    'sass-loader'
                ]
            },
            {
                test: /\.less$/,
                use: [
                    'style-loader',
                    'css-loader',
                    'less-loader'
                ]
            }, {
                test: /.(png|woff(2)?|eot|ttf|svg)(\?[a-z0-9=\.]+)?$/, 
                loader: 'url-loader?limit=100000'
            }]
    }
};

module.exports = config;