Use a Gentoo cloud image as the baseline for built disk images. The images are located in profile specific sub directories:
As of this writing, only x86_64 images are available.
Other profiles can be used by exporting GENTOO_PROFILE with a valid profile. A list of valid profiles follows:
default/linux/amd64/17.0 default/linux/amd64/17.0/no-multilib default/linux/amd64/17.0/hardened default/linux/amd64/17.0/no-multilib/hardened default/linux/amd64/17.0/systemd