my mom and a bunch of other people

People who aren’t very close to you are one thing, but wouldn’t your mom of all people be wiling to install Signal or your preferred alternative?

Have a source?

If you want to keep everything inside a singular Nix configuration while still using Docker, you can check out the NixOS option virtualisation.oci-containers - essentially, a declarative way of managing docker/podman containers (similar to docker-compose) but with Nix.

Very nice, this comes with a lot of advantages for Hyprland, and I wholeheartedly congratulate Vaxry on separating from the rubbish that is FDO’s management.