{
  inputs = {
    nixpkgs = {
      type = "github";
      owner = "NixOS";
      repo = "nixpkgs";
      ref = "nixos-25.05";
    };
  };

  outputs = { self, nixpkgs, ... }@attrs:
  let supportedSystems = [ "aarch64-linux" "x86-64-linux" ];
      forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
      nixpkgsFor = forAllSystems (system: import nixpkgs { inherit system; });
  in {
    nixosModules.default = { ... }: {
      imports = [
        ./services/common/database.nix
        ./services/documents.nix
        ./services/mattermost.nix
      ];
    };

    devShells = forAllSystems (system: let pkgs = nixpkgsFor.${system}; in {
      default = pkgs.mkShell {
        buildInputs = with pkgs; [ ];
      };
    });
  };
}