nixos-config/users/erwin.nix

{ pkgs, ... }:
{
  users.users.erwin = {
    isNormalUser = true;
    home = "/home/erwin";
    extraGroups = [ "wheel" "adm" "audio" "video" ];
    shell = pkgs.fish;
    openssh.authorizedKeys.keyFiles = [
      (pkgs.fetchurl {
        url = "https://github.com/eboskma.keys";
        sha256 = "1l7f425kvfmrs4dfcvllb76182jgb14l1silyy4qmjxvinawb1yj";
      })
    ];
  };

  nix.allowedUsers = [ "erwin" ];
}