{
  description = "NixOS configuration with flakes";

  # To update all inputs:
  # $ nix flake update --recreate-lock-file
  inputs = {
    lix.url = "git+https://git.lix.systems/lix-project/lix.git";
    lix.inputs.nixpkgs.follows = "nixpkgs";

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

    flake-parts.url = "github:hercules-ci/flake-parts";
    flake-parts.inputs.nixpkgs-lib.follows = "nixpkgs";

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

    nixos-hardware.url = "github:NixOS/nixos-hardware";
    nur.url = "github:nix-community/NUR";

    home-manager.url = "github:rycee/home-manager/release-24.05";
    home-manager.inputs.nixpkgs.follows = "nixpkgs";

    agenix.url = "github:ryantm/agenix";
    agenix.inputs.nixpkgs.follows = "nixpkgs";

    colmena.url = "github:zhaofengli/colmena";
    colmena.inputs.nixpkgs.follows = "nixpkgs";

    attic.url = "github:zhaofengli/attic";

    srvos.url = "github:nix-community/srvos";
    # actually not used when using the modules but than nothing ever will try to fetch this nixpkgs variant
    srvos.inputs.nixpkgs.follows = "nixpkgs";

    # Ryan's experimental hypervisor based on cloud-hypervisor
    # Private repository, you need a valid SSH key to access it
    # nixos-hypervisor.url = "git+ssh://gitea@git.newtype.fr/newtype/nixos-hypervisor?ref=main";
    # nixos-hypervisor.inputs.nixpkgs.follows = "nixpkgs";

    flake-registry.url = "github:NixOS/flake-registry";
    flake-registry.flake = false;
  };

  outputs =
    {
      flake-parts,
      ...
    }@inputs:
    (flake-parts.lib.evalFlakeModule { inherit inputs; } (
      { self, inputs, ... }:
      {
        systems = [
          "x86_64-linux"
          "aarch64-linux"
          "aarch64-darwin"
        ];
        imports = [
          ./configurations.nix
          # ./modules/monitoring/flake-module.nix
          # ./pkgs/flake-module.nix
          # ./templates
        ];
        perSystem =
          { self', pkgs, ... }:
          {
            devShells.default = pkgs.mkShellNoCC {
              buildInputs = [
                pkgs.ipmitool
                pkgs.colmena

                pkgs.python3.pkgs.invoke
                #Until nixos-anywhere is packaged
                pkgs.python3.pkgs.deploykit
                pkgs.mypy
                pkgs.pixiecore
                pkgs.dnsmasq
                pkgs.python3.pkgs.netaddr
                pkgs.qemu_kvm
                pkgs.openssh
                pkgs.gitMinimal # for git flakes
                pkgs.rsync
                pkgs.nix
                pkgs.coreutils
                pkgs.curl # when uploading tarballs
                pkgs.gnugrep
                pkgs.findutils
                pkgs.gnused # needed by ssh-copy-id
                # sops dependencies
                pkgs.age
                pkgs.yq-go
              ] ++ pkgs.lib.optional (pkgs.stdenv.isLinux) pkgs.mkpasswd;
            };
            packages = {
              #  netboot = pkgs.callPackage ./modules/netboot/netboot.nix {
              #    # this nixosSystem is built for x86_64 machines regardless of the host machine
              #    pkgs = inputs.nixpkgs.legacyPackages.x86_64-linux;
              #    inherit (inputs.nixpkgs.lib) nixosSystem;
              #    extraModules = [
              #      self.inputs.nur.nixosModules.nur
              #      { _module.args.inputs = self.inputs; }
              #    ];
              #  };

              #  netboot-pixie-core = pkgs.callPackage ./modules/netboot/netboot-pixie-core.nix {
              #    inherit (self'.packages) netboot;
              #  };
            };
          };
        flake = {
          hydraJobs =
            inputs.nixpkgs.lib.mapAttrs' (
              name: config: inputs.nixpkgs.lib.nameValuePair "nixos-${name}" config.config.system.build.toplevel
            ) self.nixosConfigurations
            // {
              devShells = self.devShells.x86_64-linux.default;
            };
        };
      }
    )).config.flake;

}