nixos-conf/hosts/nextcloud/state.nix

{ ... }:
{
  system.stateVersion = "23.05";

  fileSystems."/" = {
    device = "/dev/disk/by-uuid/428cdba7-04a8-4e69-992a-96aa197cd6c7";
    fsType = "ext4";
  };

  fileSystems."/boot" = {
    device = "/dev/disk/by-uuid/08B5-BFD8";
    fsType = "vfat";
    options = [
      "fmask=0022"
      "dmask=0022"
    ];
  };
}