{
  inputs = {
    common.url = "path:../..";

    nixpkgs.url = "github:nixos/nixpkgs/nixos-25.11";

    sops-nix = {
      url = "github:Mic92/sops-nix";
    };

    impermanence = {
      url = "github:nix-community/impermanence";
    };
  };
  outputs =
    inputs@{ common, ... }:
    let
      supportedSystems = [
        "x86_64-linux"
        "aarch64-linux"
        "x86_64-darwin"
        "aarch64-darwin"
      ];
      forAllSystems = inputs.nixpkgs.lib.genAttrs supportedSystems;
      buildNixpkgs =
        system:
        import inputs.nixpkgs {
          inherit system;
          overlays = [ ];
        };
    in
    {
      nixosConfigurations.default =
        let
          config = common.lib.utils.findNixFiles ./config;
          modules = [
            inputs.sops-nix.nixosModules.sops
            inputs.common.nixosModules.default
            inputs.impermanence.nixosModules.impermanence
          ];
        in
        common.lib.mkSystem "lebesgue" "x86_64-linux" (config ++ modules);

      devShells = forAllSystems (
        system:
        let
          pkgs = buildNixpkgs system;
        in
        {
          default = pkgs.mkShell {
            buildInputs = with pkgs; [
              sops
              nixos-rebuild
            ];
          };
        }
      );
    };
}