upload multiple images cloudinary

1    const cloudinaryImageUploadMethod = async file => {
2      return new Promise(resolve => {
3          cloudinary.uploader.upload( file , (err, res) => {
4            if (err) return res.status(500).send("upload image error")
5              console.log( res.secure_url )
6              resolve({
7                res: res.secure_url
8              }) 
9            }
10          ) 
11      })
12    }
13    
14    router.post("/", [auth_middleware, upload.array("img", 3 )], async (req, res) => {
15
16        const urls = [];
17        const files = req.files;
18        for (const file of files) {
19          const { path } = file;
20          const newPath = await cloudinaryImageUploadMethod(path)
21          urls.push(newPath)
22        }
23        
24        const product = new Product({
25          u_id: req.user._id,  
26          name: req.body.name,
27          description: req.body.description,
28          productImages: urls.map( url => url.res ),
29        });
30
31     }
32