feat : Refractor my host specific to be more generic

flake.nix

@@ -9,16 +9,20 @@
   outputs = { self, nixpkgs, agenix, ... }:
     let
       system = "x86_64-linux";
+      mkHost = hostName: nixpkgs.lib.nixosSystem {
+        inherit system;
+        specialArgs = { inherit hostName; };
+        modules = [
+          ./configuration.nix
+          (./. + "/host/hard-${hostName}.nix")
+          agenix.nixosModules.default
+          { networking.hostName = hostName; }
+        ];
+      };
     in {
-    nixosConfigurations.ThinkCentre-Server-004 = nixpkgs.lib.nixosSystem {
-      inherit system;
-      modules = [
-        ./configuration.nix
-        agenix.nixosModules.default
-        {
-          environment.systemPackages = [ agenix.packages.${system}.default ];
-        }
-      ];
+      nixosConfigurations = {
+        "ThinkCentre-Server-004" = mkHost "ThinkCentre-Server-004";
+        "VPS-Server-005" = mkHost "VPS-Server-005";
+      };
     };
-  };
 }