Unixcop published a tutorial about installing Polr on CentOS 8.
How to Install Polr on CentOS 8 - Unixcop
Polr is a quick, modern, and open-source link shortener. It allows you to host your own URL shortener, to brand your URLs, and to gain control over your data. It’s also GPLv2+ licensed. Polr is a free and open-source link shortener written in PHP and Lumen.