NodeJS server/backend bundle with webpack

webpack.server.config.js

var webpack = require('webpack');
var path = require('path');
var fs = require('fs');

var nodeModules = {};
fs.readdirSync('node_modules')
	.filter(function(x) {
		return ['.bin'].indexOf(x) === -1;
	})
	.forEach(function(mod) {
		nodeModules[mod] = 'commonjs ' + mod;
	});

module.exports = {
	target: 'node',
	node: {
		console: false,
		global: false,
		process: false,
		Buffer: false,
		__filename: true,
		__dirname: true
	},

	entry: './index.js',

	output: {
		path: __dirname,
		filename: 'bundle.js'
	},

	externals: nodeModules,
	plugins: [
		new webpack.IgnorePlugin(/\.(css|less)$/),
		new webpack.BannerPlugin('require("source-map-support").install();', { 
			raw: true, 
			entryOnly: false 
		})
	],
	devtool: 'sourcemap',

	module: {
		loaders: [
			{ test: /\.json$/, loader: "json-loader" }
		]
	},

	plugins: [
		new webpack.optimize.UglifyJsPlugin({
			compress: {
				warnings: false
			},
			mangle: true
		})
	]
}

Based on http://jlongster.com/Backend-Apps-with-Webpack--Part-I