Webpack config for bundling lambdas in production

lambda.webpack.config.js

const path = require('path');
const webpack = require('webpack');

module.exports = {
  entry: './src/index.ts',
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        use: 'ts-loader',
        exclude: /node_modules/,
      },
    ],
  },
  resolve: {
    extensions: ['.tsx', '.ts', '.js'],
  },
  plugins: [
    // ignore optional dependencies
    new webpack.IgnorePlugin(/^redis$/),
  ],
  output: {
    filename: 'index.js',
    path: path.resolve(__dirname, './release'),
    libraryTarget: 'umd',
  },
  target: 'async-node',
  mode: 'production',
  externals: [],
};