{config, ...}:
{
  # Bootloader.
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;

  # initrd
  boot.initrd.luks.devices."luks-39ff42bf-5f55-4cce-8928-bdc5b9f4d4d5".device = "/dev/disk/by-uuid/39ff42bf-5f55-4cce-8928-bdc5b9f4d4d5";
}