flask-teste-app
https://blog.miguelgrinberg.com/post/the-flask-mega-tutorial-part-iv-database https://blog.miguelgrinberg.com/post/the-flask-mega-tutorial-part-vi-profile-page-and-avatars
https://blog.miguelgrinberg.com/post/the-flask-mega-tutorial-part-iv-database https://blog.miguelgrinberg.com/post/the-flask-mega-tutorial-part-vi-profile-page-and-avatars