{
  description = "Personal Infrastructure stuff?";


  inputs = {
    nixpkgs.url = "nixpkgs/nixos-unstable";
    impermanence.url = "github:nix-community/impermanence";
    agenix.url = "github:ryantm/agenix";
  };


  outputs = {self, nixpkgs, impermanence, agenix}: 
    let 
      customPackagesModule = {...}: {
        nixpkgs.overlays = 
          [
            (super: self: { logo = super.callPackage ./lib/pkgs/logo { }; })
            (super: self: { config-archive = super.callPackage ./lib/pkgs/config-archive.nix { }; })
            (super: self: { zoekt = super.callPackage ./lib/pkgs/zoekt.nix { }; })
          ];
      };

      forAllSystems = fun:
        nixpkgs.lib.genAttrs [
          "x86_64-linux"
          "aarch64-darwin"
        ] (system: fun system);
      
    in
      {
        nixosConfigurations = {
          fugitive = nixpkgs.lib.nixosSystem {
            system = "x86_64-linux";
            modules = [
              customPackagesModule
              impermanence.outputs.nixosModules.impermanence
              agenix.nixosModules.default
              ./lib/systems/fugitive
            ];
          };

          outpost = nixpkgs.lib.nixosSystem {
            system = "aarch64-linux";
            modules = [
              agenix.nixosModules.default
              ./lib/systems/outpost
            ];
          };

          monument = nixpkgs.lib.nixosSystem {
            system = "aarch64-linux";
            modules = [
              {
                system.image.version = "1";
              }
              ./lib/modules/raspberry.nix
              ./lib/systems/monument
            ];
          };
        };

        packages = forAllSystems (system:
          let pkgs = nixpkgs.legacyPackages.${system};
           in 
           {
            zoekt = pkgs.callPackage ./lib/pkgs/zoekt.nix { };
           }
        );

        devShells = forAllSystems (system: 
          let pkgs = nixpkgs.legacyPackages.${system}; 
           in
           {
            default = with pkgs; mkShell {
              buildInputs = [ nixos-rebuild agenix.packages.${system}.default ];
            };
           });
      };
}