add flake

configuration.nix

@@ -10,11 +10,15 @@
 {
   imports = [
     # include NixOS-WSL modules
-    <nixos-wsl/modules>
+    # <nixos-wsl/modules>
   ];
 
   wsl.enable = true;
   wsl.defaultUser = "nixos";
+  nixpkgs.config.allowUnfree = true;
+  home-manager.users.nixos = {
+    imports = [ ./home-manager/home.nix ];
+  }; 
 
   # This value determines the NixOS release from which the default
   # settings for stateful data, like file locations and database versions

flake.lock

@@ -0,0 +1,101 @@
+{
+  "nodes": {
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1767039857,
+        "narHash": "sha256-vNpUSpF5Nuw8xvDLj2KCwwksIbjua2LZCqhV1LNRDns=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "5edf11c44bc78a0d334f6334cdaf7d60d732daab",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "home-manager": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1775425411,
+        "narHash": "sha256-KY6HsebJHEe5nHOWP7ur09mb0drGxYSzE3rQxy62rJo=",
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "rev": "0d02ec1d0a05f88ef9e74b516842900c41f0f2fe",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "ref": "release-25.11",
+        "repo": "home-manager",
+        "type": "github"
+      }
+    },
+    "nixos-wsl": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1776255237,
+        "narHash": "sha256-LQjlc0VEn55WAT4BiI8sIsokb/2FNlcbBD+Xr3MTE24=",
+        "owner": "nix-community",
+        "repo": "NixOS-WSL",
+        "rev": "9a8c2a85f1ffdcecfb0f9c52c5a73c49ceb43911",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "NixOS-WSL",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1773734432,
+        "narHash": "sha256-IF5ppUWh6gHGHYDbtVUyhwy/i7D261P7fWD1bPefOsw=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "cda48547b432e8d3b18b4180ba07473762ec8558",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1776221942,
+        "narHash": "sha256-FbQAeVNi7G4v3QCSThrSAAvzQTmrmyDLiHNPvTF2qFM=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "1766437c5509f444c1b15331e82b8b6a9b967000",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-25.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "home-manager": "home-manager",
+        "nixos-wsl": "nixos-wsl",
+        "nixpkgs": "nixpkgs_2"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,35 @@
+{
+  description = "Lenn's NixOS config";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.11";
+    nixos-wsl.url = "github:nix-community/NixOS-WSL";
+    home-manager.url = "github:nix-community/home-manager/release-25.11";
+    home-manager.inputs.nixpkgs.follows = "nixpkgs";
+  };
+
+  outputs = { self, nixpkgs, home-manager, nixos-wsl, ... }:
+  let
+    system = "x86_64-linux";
+  in {
+    nixosConfigurations = {
+      nixos = nixpkgs.lib.nixosSystem {
+        inherit system;
+
+        modules = [
+          ./configuration.nix
+          nixos-wsl.nixosModules.default
+
+          home-manager.nixosModules.home-manager
+
+          {
+            home-manager.useGlobalPkgs = true;
+            home-manager.useUserPackages = true;
+
+            home-manager.users.nixos = import ./home-manager/home.nix;
+          }
+        ];
+      };
+    };
+  };
+}

home-manager/home.nix

@@ -3,7 +3,7 @@
 {
   home.username = "nixos";
   home.homeDirectory = "/home/nixos";
-  home.stateVersion = "23.11";
+  home.stateVersion = "25.11";
   home.packages = with pkgs; [
     git
     lazygit