index.js

const express =require('express')
const mongoose=require('mongoose')
const  cors=require('cors')
const multer=require('multer')
const path=require('path')
const UserModel=require('./models/User')


const app=express()
app.use(cors())
app.use(express.json())
app.use(express.static('public'))
mongoose.connect('mongodb://127.0.0.1:27017/employ')



const storage=multer.diskStorage({
    destination:(req,file,cb)=>{
        cb(null,'public/images')
    },
    filename
    :(req,file,cb)=>{
        cb(null,file.fieldname+"_"+Date.now()+path.extname(file.originalname))
    }
})
const upload=multer({
    storage:storage
})
app.post('/upload',upload.single('file'),(req,res)=>{
    UserModel.create({image: req.file.filename})
    .then(result=>res.json(result))
    .catch(err=>console.log(err))
})
app.get('/getImage',(req,res)=>{
     UserModel.find()
     .then(users=>res.json(users))
     .catch(err=> res.json(err))
})
app.listen(3001,()=>{
    console.log('server is running')
})