MEDIUM Missing configuration telegram part

medium_telegram_server.js

const express = require("express")
const app = express();
const puerto = 9001;
const Cors = require("cors")

// Middlewares
app.use(Cors());
app.use(express.json());
app.use(express.urlencoded({ extended: false }))

// Open port
app.listen(puerto, () => console.log("Listening on port " + puerto))

// ++++++++++++++++ HTTP METHODS +++++++++++++++++++ //

app.get("/", (req, res) => {
	res.send("Server is up and running! :D")
})

module.exports = app