{
  users.users.root = {
    openssh.authorizedKeys.keys = [
      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIC6WNm4YAQO85j0aNQkKSH7QnmhgzKA4hA2ggi6cDyKk"
    ];
  };
}