I was in the same boat and recently bought a Beelink S12 Pro, which has a N100(12 gen) processor and 16GB of RAM. I added an SSD in the included bay and has been great. I just installed Debian and docker and configured those containers.
Only thing is I needed to connect to a monitor and keyboard to select the Debian USB installer in the BIOS. After setting that and ssh, it has been smooth sailing. Can recommend