Using CentOS 8 Stream.
Install Snap https://snapcraft.io/docs/installing-snap-on-centos
Reboot
With terminal, test latest release candidate, to your server IP address:
su
snap install wekan --channel=latest/candidate
snap set wekan root-url='http://YOUR-IP-ADDRESS'
snap set wekan port='80'
For additional server options, see https://github.com/wekan/wekan/wiki/Settings
For adding users, see https://github.com/wekan/wekan/wiki/Adding-users
For other login option, see right menu at https://github.com/wekan/wekan/wiki