Example webpack build

package.json

{
  "name": "webpack-build-example",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "start": "webpack-dev-server -d",
    "build": "webpack -p",
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "Brent Burgoyne",
  "license": "MIT",
  "devDependencies": {
    "css-loader": "^0.9.0",
    "file-loader": "^0.8.1",
    "html-webpack-plugin": "^1.1.0",
    "jsx-loader": "^0.12.0",
    "less": "^1.7.5",
    "less-loader": "^0.7.7",
    "style-loader": "^0.8.1",
    "url-loader": "^0.5.5",
    "webpack": "^1.4.10",
    "webpack-dev-server": "^1.6.5"
  }
}

webpack.config.js

var DefinePlugin = require('webpack').DefinePlugin
var HtmlWebpackPlugin = require('html-webpack-plugin')

module.exports = {
  entry: './main.js',
  output: {
    path: './build',
    filename: 'main.[hash].js',
    chunkFilename: 'chunk.[hash].[id].js'
  },
  module: {
    loaders: [
      {test: /\.js$/, loader: 'jsx-loader?harmony'},
      {test: /\.less$/, loader:'style-loader!css-loader!less-loader'},
      {test: /\.(png|jpg)$/, loader: 'url-loader?limit=8192'}
    ]
  },
  plugins: [
    new DefinePlugin({
      ENV: JSON.stringify(process.env.BUILD_ENV || 'development')
    }),
    new HtmlWebpackPlugin({
      title: 'Page Title for HTML'
    })
  ],
  resolve: {
    extensions: ['', '.js', '.json']
  }
}