acha-framework/src/backend/middlewares/file-upload.js

is a modular framework on both client (angular.js) and server (node.js) side, it provides security, orm, ioc, obfuscation and ...

(function (undefined) {
  Ioc.define('backend.uploader', ['backend.configuration'], function (provide, config) {
    const multer = require('multer');
    const destination = PATH.resolve(config.rootDirectory, 'upload_temp');
    FSX.ensureDirSync(destination);
    const uploader = multer({ dest: destination });
    provide(uploader);
  });
}());