22.- Probar Gunicorn
sudo systemctl start gunicorn.socket
sudo systemctl enable gunicorn.socket
file /run/gunicorn.sock
sudo systemctl status gunicorn
curl --unix-socket /run/gunicorn.sock localhost
sudo systemctl status gunicorn
sudo systemctl daemon-reload
sudo systemctl enable gunicorn.service
sudo systemctl restart gunicorn
sudo systemctl status gunicorn