const express = require('express'); const mongoose = require('mongoose'); const app = express(); let PORT = 3000; if(process.env.PORT){ PORT = process.env.PORT } app.get('/', (req, res)=>{ res.send('hi'); }) app.listen(PORT, ()=>{ console.log('listening'); }) mongoose.connect('mongodb+srv://teset:test@cluster0.cofxtr1.mongodb.net/?retryWrites=true&w=majority', ()=>{ console.log('connected to mongo'); })