Sentry Express instrumenting whole app instead of only router #5433

/* eslint-disable @rushstack/typedef-var */

import * as Sentry from '@sentry/node';
import * as Tracing from '@sentry/tracing';
import express, { Request, Response } from 'express'; //  "express": "4.18.1",
import { type Express } from 'express';

import { port } from './config';

/**
 * Express app
 * @internal
 */
export const app: Express = express();

const router = express.Router({
  caseSensitive: true
});
/// init the Sentry
Sentry.init({
  dsn: 'obv-dsn',
  enabled: true,
  environment: 'envvvvv',
  integrations: [
    new Sentry.Integrations.Http({ tracing: true }),
    // enable Express.js middleware tracing
    new Tracing.Integrations.Express({ app, methods: ['get'], router })
  ],
  tracesSampleRate: 1.0
});
app.use(Sentry.Handlers.requestHandler());
app.use(Sentry.Handlers.tracingHandler());

router.get('/my-router-route/*', async (req: Request, res: Response) => {
  res.send('ok');
});

app.use(router);

/**
 * Home route
 */
app.get('/', (req: Request, res: Response) => {
  res.send('home');
});

/**
 * Health-check route
 */
app.get('/healthcheck', (req: Request, res: Response) => {
  res.send('OK');
});

app.post('/po', (req: Request, res: Response) => {
  res.send('OK');
});


// eslint-disable-next-line @typescript-eslint/naming-convention
app.get('*', function (req: Request, res: Response) {
  res.status(404).end();
});

// The error handler must be before any other error middleware and after all controllers
app.use(Sentry.Handlers.errorHandler());

app.listen(port);