{ self, nixpkgs-unstable, tree, ... }@inputs:
let

  defaults = import ./defaults.nix inputs;

  defaultSpecialArgs = defaults.defaultSpecialArgs // {
    inputs = inputs // {
      # set these to the correct versions from inputs
      nixpkgs = inputs.nixpkgs-unstable;
      home-manager = inputs.home-manager-unstable;
    };
  };

  defaultModules = defaults.defaultModules ++ [
    # NO_INLINE
    tree.impure.profiles.base
    inputs.home-manager-unstable.nixosModules.home-manager
    inputs.gitlab_artifacts_sync.nixosModule
  ];

  nixosUnstableSystem = nixpkgs-unstable.lib.nixosSystem;
in {
  lappy = nixosUnstableSystem {
    specialArgs = defaultSpecialArgs;
    system = "x86_64-linux";
    modules = defaultModules ++ [ ./lappy/lappy.nix ./lappy/hardware.nix ];
  };

  lappy-vm = nixosUnstableSystem {
    specialArgs = defaultSpecialArgs;
    system = "x86_64-linux";
    modules = defaultModules ++ [ ./lappy/lappy.nix ./lappy/vm.nix ];
  };

  rescue-x86_64 = nixosUnstableSystem {
    specialArgs = defaultSpecialArgs;
    system = "x86_64-linux";
    modules = defaultModules ++ [ ./rescue/rescue.nix ];
  };

  hetzner-vm = nixosUnstableSystem {
    specialArgs = defaultSpecialArgs;
    system = "x86_64-linux";
    modules = defaultModules ++ [ ./hetzner-vm/hetzner-vm.nix ];
  };

  storage = nixosUnstableSystem {
    specialArgs = defaultSpecialArgs;
    system = "x86_64-linux";
    modules = defaultModules ++ [ ./storage/modules/rclone-serve.nix ./storage/storage.nix  ];
  };

  # nix --no-sandbox build .#nixosConfigurations.raspberry.config.system.build.sdImage
  raspberry = nixosUnstableSystem {
    specialArgs = defaultSpecialArgs;
    system = "aarch64-linux";
    modules = defaultModules ++ [ ./raspberry/raspberry.nix ];
  };
}