readme.md
mkosi -d arch -b --root-size 10G --compress -t raw_btrfs
systemd-nspawn  -bi image.raw

Install sudo, ssh, add kitchen user with kitchen password, enable ssh, systemd-networkd and match on e*

qemu-img convert -f raw -O qcow2 image.raw image.qcow2

Existing image can be downloaded at www.xil.se/arch.qcow2