example-webpack-config.js

module.exports = {
  entry: './src/index.js',
  target: 'node',
  output: {
    path: './lib',
    filename: 'index.js',
    libraryTarget: 'commonjs2'
  },
  externals: {
    'aws-sdk': 'aws-sdk'
  },
  module: {
    loaders: [
      {
        test: /\.json$/,
        loader: 'json-loader'
      }
    ]
  }
}