@PitaJ Why does it appear to me it installs neither redis or mongo?
edit: found this post https://community.nodebb.org/topic/4325/set-up-nodebb-via-environment-variables
Every so often we update our installation guide. This time we had a lot to update with MongoDB and CentOS components having big updates since the last guide.
How To Install NodeBB 1.13, NodeJS 13, MongoDB 4.2 on CentOS 8
This is assuming a CentOS 8 Stream Minimal starting point, with "yum upgrade -y" having been run ahead of time. One script to take you from vanilla minimal install to fully running NodeBB community.