A guide explaining how to install Lighttpd on AlmaLinux 9 was made available by Unixcop.

How to install Lighttpd on AlmaLinux 9

In this guide, we will show you how to install lighttpd on AlmaLinux systems. lighttpd (pronounced “lighty”) is an open-source web server optimized for speed-critical environments while remaining standards-compliant, secure and flexible. It was originally written by Jan Kneschke as a proof-of-concept of the c10k problem – how to handle 10,000 connections in parallel on one server, but has gained worldwide popularity. 

How to install Lighttpd on AlmaLinux 9 - Unix / Linux the admins Tutorials