Linux Capable published a tutorial about setting up Nginx FastCGI Cache on Ubuntu 20.04 LTS.

Set Up Nginx FastCGI Cache on Ubuntu 20.04 LTS

How to set up Nginx FastCGI Cache on Ubuntu 22.04 LTS Focal Fossa Linux to improve webpage speed with server-side caching.

Set Up Nginx FastCGI Cache on Ubuntu 20.04 LTS - LinuxCapable