WSGI: https://peps.python.org/pep-3333/ Web Server Gateway Interface
ASGI: https://asgi.readthedocs.io/_/downloads/en/latest/pdf/ Asynchronous Server Gateway Interface
Why use ASGI/WSGI with nginx: https://santoshk.dev/posts/2023/why-use-wsgi-asgi-when-we-have-nginx/