Added hetzner server configs

hosts/default.nix

@@ -5,6 +5,9 @@
 }: let
   # shorten paths
   inherit (inputs.nixpkgs.lib) nixosSystem;
+  # Server uses its own pinned 24.05 nixpkgs (kept isolated from the laptop's unstable)
+  nixosSystem24 = inputs.nixos-24-05.lib.nixosSystem;
+  unstablePkgs = import inputs.nixpkgs-unstable {system = "x86_64-linux";};
   mod = "${self}/system";
   home = "${self}/home";
 
@@ -39,8 +42,27 @@ in {
     # Laptop: laptop with GUI + battery + bluetooth
     laptop = nixosSystem {
       inherit specialArgs;
-      modules = laptop ++ sharedModules ++ [
-        "${mod}/services/location.nix"
+      modules =
+        laptop
+        ++ sharedModules
+        ++ [
+          "${mod}/services/location.nix"
+        ];
+    };
+
+    # Server: severijnse.eu (Hetzner) — fully isolated under servers/hetzner/.
+    # Uses nixos-24.05 + disko + sops-nix and does NOT inherit the laptop's shared modules.
+    hetzner = nixosSystem24 {
+      system = "x86_64-linux";
+      specialArgs = {
+        inherit inputs self;
+        unstablePkgs = unstablePkgs;
+      };
+      modules = [
+        inputs.disko.nixosModules.disko
+        inputs.sops-nix.nixosModules.sops
+        "${self}/servers/hetzner/hosts/hetzner/hardware-configuration.nix"
+        "${self}/servers/hetzner/hosts/hetzner/default.nix"
       ];
     };
   };