Multer Disk Storage Configuration

diskStorage.js

const storageConfiguration = multer.diskStorage({
    destination: (req, file, callback) => {
        callback(null, `${__dirname}/upload`);
    },

    filename: (req, file, callback) => {
        let name = `ourFile${path.extname(file.originalname)}`;
        callback(null, name);
    }
});