{
  description = "A simple NixOS flake";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.11"; # default packages
    nixpkgs-unstable.url = "nixpkgs/nixos-unstable"; # unstable branch for newer packages
    agenix.url = "github:ryantm/agenix";

    home-manager = {
      url = "github:nix-community/home-manager/release-23.11";
      inputs.nixpkgs.follows = "nixpkgs";
    }; # home manger for more customization
    # adding nvidia-patch for nvenc and nvfvc
    nvidia-patch.url = "github:icewind1991/nvidia-patch-nixos";
    nvidia-patch.inputs.nixpkgs.follows = "nixpkgs";
    dttyper.url = "git+https://git.4o1x5.dev/4o1x5/dttyper";
    #romodoro.url = "git+https://git.4o1x5.dev/4o1x5/romodoro";
    romodoro.url = "path:/home/grape/code/romodoro";
    #dttyper.url = "git+https://git.somehost.tld/user/path?ref=branch";
  };

  outputs =
    { self
    , nixpkgs
    , home-manager
    , nixpkgs-unstable
    , nvidia-patch
    , dttyper
    , romodoro
    , ...
    }@inputs:
    let
      system = "x86_64-linux";
      #colors = import ./configs/colors.nix;
      overlay-unstable = final: prev: {
        unstable = nixpkgs-unstable.legacyPackages.${prev.system};
      };
    in
    {
      nixosConfigurations.strix = nixpkgs.lib.nixosSystem {
        inherit system;
        specialArgs.inputs = inputs;
        modules = [
          # adding unstable  overlay
          ({ config, pkgs, ... }: {
            nixpkgs.overlays = [
              overlay-unstable
              nvidia-patch.overlays.default
            ];
          })

          #dttyper.nixosModules.default
          ./system/drivers/shitvidia-patch.nix
          ./configuration.nix
          home-manager.nixosModules.home-manager
          {
            home-manager.useGlobalPkgs = true;
            home-manager.useUserPackages = true;
          }
        ];
      };


    };
}