# fuente para la autenticación https://www.digitalocean.com/community/tutorials/how-to-add-authentication-to-your-app-with-flask-login # y para servir apps con unicorn y nginx https://www.digitalocean.com/community/tutorials/how-to-serve-flask-applications-with-gunicorn-and-nginx-on-ubuntu-22-04 # crear un sitio con flask https://dev.to/seattledataguy/building-your-first-website-with-flask-part-1-hello-world-and-beyond-53ik