bootstrap.koa.async.ts

async function bootstrap(): Promise<void> {

  // create koa app
  const app = new Koa();
  const router = new Router();

  // create connection with database
  // note that its not active database connection
  // TypeORM creates you connection pull to uses connections from pull on your requests
  const connection = await createConnection();

  // register all application routes
  AppRoutes.forEach(route => router[route.method](route.path, route.action));

  // run app
  app.use(bodyParser());
  app.use(router.routes());
  app.use(router.allowedMethods());

  const server = await app.listen(3000)
  console.log('Koa application is up and running on port 3000');

  // Return server instance
  return server;
}

export default bootstrap();