Python mod_WSGI spawn more process

 https://flask.palletsprojects.com/en/stable/deploying/mod_wsgi/

mod_wsgi is a WSGI server integrated with the Apache httpd server. The modern mod_wsgi-express command makes it easy to configure and start the server without needing to write Apache httpd configuration.

$ mod_wsgi-express start-server wsgi.py --processes 4