index.ts

import express from "express";

const app = express();
app.use(express.json());

app.get("/", (req, res) => {
	res.send("Hello World");
});

const run = () => {
	const port = process.env.port || 3000;
	app.listen(port, () => {
		console.log(`Server is running on ${port}`);
	});
};
run();