It is meant for local usage so the disk should be "big enough".

cloud-init resizes the disk[1] so we don't need a "big disk" with a lot
of unused space + some cloud providers charges for the unused space +
some cloud providers offers VM with disk < 20GB.

[1] https://cloudinit.readthedocs.io/en/latest/topics/modules.html#growpart

Fix #127

It is similar to the cloud-image but it comes with a preconfigured arch
user (pw: arch) and lacks cloud-init.