NixOS-Config/system/modules/security/doas/default.nix

{ ... }: {
  security = {
    sudo.enable = false;
    doas = {
      enable = true;
      extraRules = [
        { # Give wheel root access
          groups = ["wheel"];
          keepEnv = true;
          persist = true;
        }
      ];
    };
  };
}