nixos-demo/users/demo/default.nix

{
  pkgs,
  ...
}:

{
  users = {
    users = {
      demo = {
        password = "demo";
        uid = 1000;
        createHome = true;
        home = "/home/demo";
        shell = pkgs.bashInteractive;
        isNormalUser = true;
        extraGroups = [
          "wheel"
          "networkmanager"
        ];
      };
    };
  };

  home-manager = {
    users = {
      demo = {
        imports = [ ./home/default.nix ];
      };
    };
  };

  environment.persistence.persistence = {
    directories = [
      {
        directory = "/home/demo";
        user = "demo";
        group = "users";
        mode = "u=rwx,g=,o=";
      }
    ];
  };
}