moduls/back/index.js

const express = require("express")
const mongoose = require("mongoose")
const config = require("config")
const authRouter = require("./router/authorization")
const projectRouter = require("./router/ProjectRouter")
const corsMiddleware = require("./middleware/cors")
const PORT = config.get('serverPort')
const app = express()

app.use(corsMiddleware)
app.use(express.json())
app.use('/api/authorization',authRouter)
app.use('/api/project',projectRouter)

const start = async() =>{
    try{
        await mongoose.connect(config.get("mongodb"),{
            useNewUrlParser:true,
            useUnifiedTopology:true
        })
        app.listen(PORT,()=>{console.log("server listen:",PORT)})
    }catch(e){
        console.log("error:",e)
    }
}

start()