[I work at Red Hat, but not related to CoreOS.] A small nit-pick: Not having Vagrant is not a "significant restriction". FWIW, there is the robust and well-do

[I work at Red Hat, but not related to CoreOS.] A small nit-pick: Not having Vagrant is not a "significant restriction". FWIW, there is the robust and well-documented virt-builder[1] tool that plays well with KVM, Xen and other stacks. (Related documentation here[2] -- replace "f27" with the latest Fedora release.) [1] http://libguestfs.org/virt-builder.1.html http://libguestfs.org/virt-builder.1.html [2] https://developer.fedoraproject.org/tools/virt-builder/about.html https://developer.fedoraproject.org/tools/virt-builder/about...