StorageCloudinary

// Storage.js
// add storage.js to your app.use()

var multer = require('multer');
const cloudinary = require("cloudinary");
const cloudinaryStorage = require("multer-storage-cloudinary");
const {
   CLOUD_NAME,
   API_KEY,
   API_SECRET
} = require('../config');

const router = express.Router()

// Account access information
cloudinary.config({
   cloud_name: CLOUD_NAME,
   api_key: API_KEY,
   api_secret: API_SECRET
});
// Uploading Image Configuration
const storage = cloudinaryStorage({
   cloudinary: cloudinary,
   folder: "images",
   allowedFormats: ["jpg", "png"],
   transformation: [
      { if: "w_gt_1900", width: 1900, crop: "scale" },
      { if: "h_gt_1900", height: 1900, crop: "scale" },
      { quality: "auto" },
      { format: 'jpg' }
   ]
});
const parser = multer({ storage: storage });

router.post('/upload', parser.single("file"), (req, res) => {
   const imageUUID = req.file.public_id;

   //Code to store imageUUID in your database

   res.json(imageUUID); // Return the UUID to the front end like this if necessary
});

module.exports = router;