I use MicroOS (https://microos.opensuse.org/ https://microos.opensuse.org/), to keep the base operating system clean you'd install helper tools for constructing

I use MicroOS (https://microos.opensuse.org/ https://microos.opensuse.org/), to keep the base operating system clean you'd install helper tools for constructing containers in a container... so two levels of containers would be very helpful