Images currently available (11/11/2022 update):
-AlmaLinux
--8 Minimal
--9 Latest
-CentOS
--7 Minimal
--Stream 9
-Debian
--Debian 10 (Buster) Minimal
--Debian 11 (Bullseye) Minimal
-Fedora
--Fedora 34 Minimal
--Fedora 35 Minimal
--Fedora 36 Minimal
-Rocky Linux
--Rocky Linux 8 Minimal
-Ubuntu
--Ubuntu Server 18.04 LTS
--Ubuntu Server 20.04 LTS
--Ubuntu Server 22.04 LTS
-Windows
--Windows Server 2019 Standard
--Windows Server 2019 Datacenter
--Windows Server 2022 Standard
--Windows Server 2022 Datacenter