webpack.config.js

module.exports = {
  entry: './main.js',
  output: {
    path: './build', // This is where images AND js will go
    publicPath: 'build/', // This is used to generate URLs to e.g. images
    filename: 'bundle.js'
  },
  module: {
    loaders: [,
      { test: /\.json$/, loader: 'json-loader' },
      { test: /\.js$/, loader: 'jsx-loader?harmony' },
      { test: /\.less$/, loader: 'style-loader!css-loader!less-loader' },
      { test: /\.css$/, loader: 'style-loader!css-loader' },
      { test: /\.(png|jpg|woff)$/, loader: 'url-loader?limit=8192' } // inline base64 URLs for <=8k images, direct URLs for the rest
    ]
  }
};