server.js

var express = require('express');
var app = express();
var multer = require('multer');
var cors = require('cors');

app.use(cors());

var storage = multer.diskStorage({
    destination: function(req, file, cb) {
        cb(null, './public/uploads')
    },
    filename: function (req, file, cb) {
        cb(null, Date.now() + '-' + file.originalname)
    }
})

app.get('/', function (req, res) {
    res.send(req.file)
});

var upload = multer({ storage: storage }).single('myFile');


app.post('/', function(req, res) {
    upload(req, res, function(err) {
        console.log(err);
        if (err instanceof multer.MulterError) {
            return res.status(500).json(err)
        } else if (err) {
            return res.status(500).json(err)
        }
        return res.status(200).send(req.file)
    })
});

app.listen(8000, function() {
    console.log('Running on port 8000')
})