create-backend-jerrie/my-test-project/src/app.ts

CLI tool to create Node.js + TypeScript backend with folder structure

import express, { Application, Request, Response } from 'express';
import cors from 'cors';
import dotenv from 'dotenv';

dotenv.config();

const app: Application = express();
const PORT = process.env.PORT || 5000;

app.use(cors());
app.use(express.json());

app.get('/', (req: Request, res: Response) => {
  res.json({ message: 'Welcome to Backend API!' });
});

app.listen(PORT, () => {
  console.log(`Server running on port ${PORT}`);
});