for https://medium.com/@mohammedalrowad/painless-file-upload-using-feathersjs-services-e994e4734e0c

my-upload.js

module.exports = function (app) {
  return async (req, res, next) => {
    const {
      files
    } = req;
    const fileRes = [];
    const seq = app.get('sequelizeClient');
    const { media } = seq.models;

    for (const file of files) {
      fileRes.push(
        await media.create({
          path: file.path
        })
        // OR 
        // await app.service('media').create({
        //   path: file.path
        // })
      );
    }
    res.json(fileRes);
  };
};