{
    description = "rae's nixOS config flake";

    inputs = {
        nixpkgs.url = "github:nixos/nixpkgs/nixos-24.11";
        nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable";
        nix-flatpak.url = "github:gmodena/nix-flatpak/?ref=latest";
        home-manager = {
            url = "github:nix-community/home-manager/release-24.11";
            inputs.nixpkgs.follows = "nixpkgs";
        };
        # Nix User Repository
        nur = {
            url = "github:nix-community/NUR";
            inputs.nixpkgs.follows = "nixpkgs";
        };
        # Rust toolchains
        fenix = {
            url = "github:nix-community/fenix";
            inputs.nixpkgs.follows = "nixpkgs";
        };
        # Raspberry Pi support
        raspberry-pi-nix.url = "github:nix-community/raspberry-pi-nix";
    };

    outputs = { self, nixpkgs, home-manager, nix-flatpak, ... }@inputs: {
        nixosConfigurations =
            let
                mkSystem = hostname: arch: with nixpkgs; {
                    name = hostname;
                    value = lib.nixosSystem {
                        system = "${arch}-linux";
                        specialArgs = { inherit inputs; };
                        modules = [ ./hosts/${hostname}/configuration.nix ];
                    };
                };
            in builtins.listToAttrs [
                (mkSystem "ioides" "x86_64")    # main pc
                (mkSystem "qemu"   "x86_64")    # emulatr...........
                (mkSystem "near"   "aarch64")   # raspberry pi 5 home server
            ];

        homeConfigurations.rae = home-manager.lib.homeManagerConfiguration {
            pkgs = nixpkgs.legacyPackages.x86_64-linux;
            extraSpecialArgs = { inherit inputs; };
            modules = [
                ./home
            ];
        };
    };
}