generator-express-no-stress/app/templates/server/index.js

Awesome APIs with ExpressJS and OpenAPI 3 (or Swagger 2): Features automatic request/resopnse validation, interactive api doc, and more.

import './common/env.js';
import Server from './common/server.js';
import routes from './routes.js';

export default new Server()
  .router(routes)
  .listen(process.env.PORT);