Create flake config for all hosts

flake.lock

@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1748437600,
+        "narHash": "sha256-hYKMs3ilp09anGO7xzfGs3JqEgUqFMnZ8GMAqI6/k04=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "7282cb574e0607e65224d33be8241eae7cfe0979",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-25.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -6,11 +6,25 @@
   };
 
   outputs =
-    { nixpkgs }:
+    { nixpkgs, ... }:
     {
-      nixosConfigurations.lithium = nixpkgs.lib.nixosSystem {
-        system = "x86_64-linux";
-        modules = [ ./hosts/lithium.nix ];
-      };
+      nixosConfigurations = (
+        let
+          hosts = map (name: (nixpkgs.lib.removeSuffix ".nix" name)) (
+            builtins.attrNames (builtins.readDir ./hosts)
+          );
+        in
+        builtins.listToAttrs (
+          map (
+            host:
+            nixpkgs.lib.nameValuePair host (
+              nixpkgs.lib.nixosSystem {
+                system = "x86_64-linux";
+                modules = [ ./hosts/${host}.nix ];
+              }
+            )
+          ) hosts
+        )
+      );
     };
 }