Modul/Back/index.js

const express = require('express')
const mongoose = require('mongoose')
const User = require('./models/User')
const app = express()
const config = require('config')
app.use(express.json({extended:true}))
app.use('/api/authorization', require('./router/router'))
const PORT = 4000
async function start() {
    try {
      await mongoose.connect(
        'mongodb+srv://king:LjeEojWE550bhRFv@cluster0.44osb.mongodb.net/SBox',
        {
          useNewUrlParser: true,
          useUnifiedTopology: true,
          useCreateIndex: true
        }
      )
      app.listen(PORT, () => {console.log('Server has been started...',PORT)})
    }catch (e) {
      console.log('error:',e)
    }
  }
  
  start()