get started with multer npm package for uploading files

multerInit.js

// index.js >>> root file of /src

const multer = require("multer")
const express = require("express")
const app = express()

const upload = multer({
  dist: "images"
})

app.post("/user/avatar", upload.single("avatar"), (req, res) => {
  res.send();
})

// "avatar" in upload.single refers to the key value provided in form-data

app.listen(3000);