I’m trying to make a new Nodejs + Express Typescript, but the res.status returns error like this.

[1] TypeError: res.status is not a function
[1]     at E:Coding Projectsfasting-backendsrcindex.ts:9:16
[1]     at Layer.handle [as handle_request] (E:Coding Projectsfasting-backendnode_modulesexpresslibrouterlayer.js:95:5)
[1]     at next (E:Coding Projectsfasting-backendnode_modulesexpresslibrouterroute.js:149:13)
[1]     at Route.dispatch (E:Coding Projectsfasting-backendnode_modulesexpresslibrouterroute.js:119:3)
[1]     at Layer.handle [as handle_request] (E:Coding Projectsfasting-backendnode_modulesexpresslibrouterlayer.js:95:5)
[1]     at E:Coding Projectsfasting-backendnode_modulesexpresslibrouterindex.js:284:15
[1]     at Function.process_params (E:Coding Projectsfasting-backendnode_modulesexpresslibrouterindex.js:346:12)
[1]     at next (E:Coding Projectsfasting-backendnode_modulesexpresslibrouterindex.js:280:10)
[1]     at expressInit (E:Coding Projectsfasting-backendnode_modulesexpresslibmiddlewareinit.js:40:5)
[1]     at Layer.handle [as handle_request] (E:Coding Projectsfasting-backendnode_modulesexpresslibrouterlayer.js:95:5)

Can you please help?
Here is my code

index.ts

import express, { Express, Response } from "express";
import serverless from "serverless-http";
require("dotenv").config();

const app: Express = express();
const port = process.env.PORT || 3000;

app.get("/", (res: Response) => {
    return res.status(200).json({message:"Express + TypeScript Server"});
});

app.listen(port, async() => {
    console.log(`[server]: Server is running at http://localhost:${port}`);
});

module.exports.handler = serverless(app);

I’m not sure how it returns error after I ran npm init && npm i express