{
    description = "My NixOS configuration";
    inputs = {
        nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
        #unstable.url = "github:nixos/nixpkgs/nixpkgs-unstable";
        #nix-snapd.url = "github:nix-community/nix-snapd";
        #nix-snapd.inputs.nixpkgs.follows = "nixpkgs";
        systems.url = "github:nix-systems/default-linux";
        #autofirma-nix = {
        #  url = "github:nix-community/autofirma-nix/release-25.05";
        #  inputs.nixpkgs.follows = "nixpkgs";
        #};
        home-manager = {
          url = "github:nix-community/home-manager/release-25.05";
          inputs.nixpkgs.follows = "nixpkgs";
        };
   };
  nixConfig = {
    extra-substituters = [
      "https://nix-community.cachix.org"
    ];
  como cuando experimenta  extra-trusted-public-keys = [
      "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
    ];
  };
  outputs = {
      self,
      nixpkgs,
      systems,
      home-manager,
  } @ inputs: let
    inherit (self) outputs;
    lib = nixpkgs.lib // home-manager.lib;
    forEachSystem = f: lib.genAttrs (import systems) (system: f pkgsFor.${system});
    pkgsFor = lib.genAttrs (import systems) (
      system:
        import nixpkgs {
          inherit system;
          config.allowUnfree = true;
        }
    );
  in {
    inherit lib;

    #nixosModules = import ./modules/nixos;
    #homeManagerModules = import ./modules/home-manager;
    #overlays = import ./overlays {inherit inputs;};

    packages = forEachSystem (pkgs: import ./pkgs {inherit pkgs;});

    # NixOS configuration entrypoint
    # Available through 'nixos-rebuild --flake .#your-hostname'
    nixosConfigurations = {
      limgrave = nixpkgs.lib.nixosSystem {
        specialArgs = {inherit inputs;};
        modules = [
          ./hosts/limgrave/nixos
        ];
      };
    };

    # Standalone home-manager configuration entrypoint
    # Available through 'home-manager --flake .#your-username@your-hostname'
    homeConfigurations = {
      "catalin@limgrave" = home-manager.lib.homeManagerConfiguration {
        # Home-manager requires 'pkgs' instance
        pkgs = pkgsFor.x86_64-linux;
        extraSpecialArgs = {inherit inputs;};
        modules = [
          ./hosts/limgrave/home
        ];
      };
    };
  };
}