diff --git a/flake.nix b/flake.nix
index ef07cb99..59c67ba6 100644
--- a/flake.nix
+++ b/flake.nix
@@ -33,38 +33,33 @@
     stylix,
     ...
   } @ inputs: let
-    inherit (self) outputs;
+    inherit (nixpkgs) lib;
+
+    defaultConf = rec {
+      uid = 1000;
+      user = "lilith";
+      home = /home/${user};
+
+      tmpfsSize = "4G";
+
+      extraConfig = {};
+    };
 
     hosts = builtins.filter (host: builtins.pathExists ./hosts/${host}/configuration.nix) (builtins.attrNames (builtins.readDir ./hosts));
 
-    mkHostConfig = host: let
-      defaultConf = rec {
-        hostname = host;
+    importHostConf = host:
+      lib.recursiveUpdate defaultConf (import ./hosts/${host} inputs
+        // {
+          hostname = host;
+          hardware-configuration = ./hosts/${host}/hardware-configuration.nix;
+        });
 
-        uid = 1000;
-        user = "lilith";
-        home = /home/${user};
-      };
-    in
-      nixpkgs.lib.nixosSystem {
-        specialArgs = {
-          inherit inputs outputs;
-          conf = defaultConf;
-        };
-        modules = [
-          ./hosts/${host}/configuration.nix
-          ./hosts/${host}/hardware-configuration.nix
-          impermanence.nixosModule
-          home-manager.nixosModule
-          sops-nix.nixosModules.sops
-          stylix.nixosModules.stylix
-        ];
-      };
+    mkHostConfig = host: import ./system (inputs // {conf = importHostConf host;});
   in {
     nixosConfigurations = builtins.listToAttrs (
       map (host: {
         name = host;
-        value = mkHostConfig host;
+        value = (mkHostConfig host).build;
       })
       hosts
     );
diff --git a/system/base.nix b/system/base.nix
new file mode 100644
index 00000000..713d914d
--- /dev/null
+++ b/system/base.nix
@@ -0,0 +1,28 @@
+{pkgs, ...}: {
+  boot.tmp.useTmpfs = true;
+
+  time.timeZone = "Europe/Berlin";
+
+  environment.systemPackages = with pkgs; [
+    age
+    compsize
+    duf
+    eza
+    file
+    htop
+    btop
+    jq
+    yq
+    du-dust
+    ranger
+    ripgrep
+    sops
+    wget
+    wireguard-tools
+    zip
+  ];
+
+  environment.pathsToLink = ["/share/zsh"];
+
+  system.stateVersion = "24.11";
+}
diff --git a/system/default.nix b/system/default.nix
index 17ad0292..c8c05787 100644
--- a/system/default.nix
+++ b/system/default.nix
@@ -1,21 +1,51 @@
-{...}: {
-  imports = [
-    ./audio.nix
-    ./boot.nix
-    ./env.nix
-    ./networking.nix
-    ./persistence.nix
-    ./bluetooth.nix
-    ./btrfs.nix
-    ./fonts.nix
-    ./nix.nix
-    ./users.nix
-    ./ssh.nix
-    ./steam.nix
-    ./stylix.nix
-    ./wayland.nix
-    ./zsh.nix
-  ];
+{
+  conf,
+  nixpkgs,
+  home-manager,
+  ...
+} @ inputs: let
+  inherit (conf) system;
 
-  system.stateVersion = "24.11";
+  pkgs = import nixpkgs {
+    inherit (conf) system;
+    config.allowUnfree = true;
+  };
+
+  specialArgs = inputs;
+in {
+  build = nixpkgs.lib.nixosSystem {
+    inherit system pkgs specialArgs;
+
+    modules = [
+      ./base.nix
+
+      conf.extraConfig
+      conf.hardware-configuration
+
+      ./audio.nix
+      ./boot.nix
+      ./env.nix
+      ./networking.nix
+      ./persistence.nix
+      ./bluetooth.nix
+      ./btrfs.nix
+      ./fonts.nix
+      ./nix.nix
+      ./users.nix
+      ./ssh.nix
+      ./steam.nix
+      ./stylix.nix
+      ./wayland.nix
+      ./zsh.nix
+
+      home-manager.nixosModules.home-manager
+      ({config, ...}: {
+        home-manager = {
+          useGlobalPkgs = true;
+          useUserPackages = true;
+          extraSpecialArgs = specialArgs // {system-config = config;};
+        };
+      })
+    ];
+  };
 }