nixos-config/nixos/profiles/services/pipewire/default.nix

{ ... }:
{
  services.pulseaudio.enable = false;

  services.pipewire = {
    enable = true;
    pulse.enable = true;
    jack.enable = true;
    alsa.enable = true;
    systemWide = true;
  };

  preservation.preserveAt."/persist".directories = [
    {
      directory = "/var/lib/pipewire";
      mode = "-";
      user = "-";
      group = "-";
    }
  ];
}