{
  description = "LDAP server for unix env in HS-Fulda";

  inputs = {
    flake-utils.url = "github:numtide/flake-utils";

    nixpkgs.url = "github:NixOS/nixpkgs";

    disko = {
      url = "github:nix-community/disko/latest";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    sops-nix.url = "github:Mic92/sops-nix";

    ldap-sync = {
      type = "git";
      url = "https://gogs.informatik.hs-fulda.de/fooker/ldap-sync.git";
      flake = false;
    };
  };

  outputs = { self, flake-utils, nixpkgs, disko, sops-nix, ... }@inputs: {
    nixosConfigurations.ldap = nixpkgs.lib.nixosSystem {
      system = "x86_64-linux";
      modules = [
        disko.nixosModules.disko
        sops-nix.nixosModules.sops

        ./hardware.nix
        ./disk.nix
        ./network.nix
        ./system.nix
        ./ldap.nix

        {
          _module.args = {
            inherit inputs;
          };

          system.stateVersion = "24.05";

          disko.devices.disk.main.imageSize = "20G";

          sops = {
            defaultSopsFormat = "yaml";
          };
        }
      ];
    };

    packages = flake-utils.lib.eachDefaultSystemPassThrough (system: {
      ${system} = {
        default = self.nixosConfigurations.ldap.config.system.build.toplevel;
        images = self.nixosConfigurations.ldap.config.system.build.diskoImages;
      };
    });

    devShells = flake-utils.lib.eachDefaultSystemPassThrough (system: {
      ${system}.default =
        let
          pkgs = nixpkgs.legacyPackages.${system};
        in
        pkgs.mkShell {
          buildInputs = with pkgs; [
            bash
            git

            sops
          ];
        };
    });
  };
}