insomnia/packages/insomnia-app/webpack/webpack.config.production.ts

import { Configuration, DefinePlugin } from 'webpack';
import baseConfig from './webpack.config.base';

const configuration: Configuration = {
  ...baseConfig,
  devtool: false,
  mode: 'production',
  optimization: {
    // Minimization causes lots of small problems in a large project like this so
    // we'll just disable it.
    minimize: false,
  },
  plugins: [
    ...(baseConfig.plugins || []),
    new DefinePlugin({
      __DEV__: false,
      'process.env.NODE_ENV': JSON.stringify('production'),
      'process.env.HOT': JSON.stringify(null),
    }),
  ],
};

export default configuration;