Serverless v1 Webpack

webpack.config.js

var webpack = require('webpack');

module.exports = {
  context: __dirname,
  entry: './index',
  output: {
    path: __dirname,
    filename: 'handler.js',
    libraryTarget: 'commonjs2'
  },
  target: 'node',
  externals: [require('webpack-node-externals')()],
  resolve: {
    extensions: ['.js']
  },
  plugins: [
  ],
  module: {
    loaders: [
      {
        test: /\.js$/,
        loader: 'babel-loader',
        exclude: /node_modules/,
        query: {
          presets: ['es2015']
        }
      }
    ]
  }
};