diff --git a/.github/workflows/code_check.yml b/.github/workflows/code_check.yml
new file mode 100644
index 0000000..e9a621b
--- /dev/null
+++ b/.github/workflows/code_check.yml
@@ -0,0 +1,26 @@
+name: Code Check
+on:
+  push:
+    branches:
+      - "*"
+  pull_request:
+    branches:
+      - "*"
+jobs:
+  lint:
+    name: Run nixfmt and statix
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out the code
+        uses: actions/checkout@v4
+      - name: Install Nix
+        uses: cachix/install-nix-action@v26
+      - name: Install nixfmt and statix
+        run: |
+          nix profile install nixpkgs#nixfmt-rfc-style nixpkgs#statix
+      - name: Run nixfmt
+        run: |
+          nixfmt --check ./**/*.nix
+      - name: Run statix
+        run: |
+          statix check
diff --git a/darwin/flake.nix b/darwin/flake.nix
index 8183734..ab45d22 100644
--- a/darwin/flake.nix
+++ b/darwin/flake.nix
@@ -67,24 +67,25 @@
           (
             { config, ... }:
             {
-              home-manager.useGlobalPkgs = true;
-              home-manager.useUserPackages = true;
+              home-manager = {
+                useGlobalPkgs = true;
+                useUserPackages = true;
 
-              # extraSpecialArgs is used to pass the inputs to the home-manager configuration
-              home-manager.extraSpecialArgs = specialArgs;
+                # extraSpecialArgs is used to pass the inputs to the home-manager configuration
+                extraSpecialArgs = specialArgs;
 
+                # And a home-manager configuration for them
+                users.${username} = {
+                  imports = [ ./home.nix ];
+
+                  home.username = username;
+                };
+              };
               # Here we can create our user
               uses.users.${username} = {
                 home = "/Users/${username}";
               };
 
-              # And a home-manager configuration for them
-              home-manager.users.${username} = {
-                imports = [ ./home.nix ];
-
-                home.username = username;
-              };
-
               # Here we set our (networking) host name and computer name. They should usually be the same
               networking.hostName = hostname;
               networking.computerName = config.networking.hostName;
diff --git a/darwin/system.nix b/darwin/system.nix
index 2679908..f7955da 100644
--- a/darwin/system.nix
+++ b/darwin/system.nix
@@ -1,4 +1,4 @@
-{config, ...}:
+{ config, ... }:
 # This section apply settings to the system configuration only available on macOS
 # see <https://daiderd.com/nix-darwin/manual/index.html#sec-options> for more options
 {
diff --git a/system/configuration.nix b/system/configuration.nix
index 66de527..cb91cd9 100644
--- a/system/configuration.nix
+++ b/system/configuration.nix
@@ -100,36 +100,38 @@
     "flakes"
   ];
 
-  nix.registry.nixpkgs = {
-    from = {
-      id = "nixpkgs";
-      type = "indirect";
-    };
-    to = {
-      owner = "auxolotl";
-      repo = "nixpkgs";
-      type = "github";
+  nix = {
+    registry.nixpkgs = {
+      from = {
+        id = "nixpkgs";
+        type = "indirect";
+      };
+      to = {
+        owner = "auxolotl";
+        repo = "nixpkgs";
+        type = "github";
+      };
     };
+
+    gc.automatic = true;
+
+    # This option defines the first version of NixOS you have installed on this particular machine,
+    # and is used to maintain compatibility with application data (e.g. databases) created on older NixOS versions.
+    #
+    # Most users should NEVER change this value after the initial install, for any reason,
+    # even if you've upgraded your system to a new NixOS release.
+    #
+    # This value does NOT affect the Nixpkgs version your packages and OS are pulled from,
+    # so changing it will NOT upgrade your system - see https://nixos.org/manual/nixos/stable/#sec-upgrading for how
+    # to actually do that.
+    #
+    # This value being lower than the current NixOS release does NOT mean your system is
+    # out of date, out of support, or vulnerable.
+    #
+    # Do NOT change this value unless you have manually inspected all the changes it would make to your configuration,
+    # and migrated your data accordingly.
+    #
+    # For more information, see `man configuration.nix` or https://nixos.org/manual/nixos/stable/options#opt-system.stateVersion .
   };
-
-  nix.gc.automatic = true;
-
-  # This option defines the first version of NixOS you have installed on this particular machine,
-  # and is used to maintain compatibility with application data (e.g. databases) created on older NixOS versions.
-  #
-  # Most users should NEVER change this value after the initial install, for any reason,
-  # even if you've upgraded your system to a new NixOS release.
-  #
-  # This value does NOT affect the Nixpkgs version your packages and OS are pulled from,
-  # so changing it will NOT upgrade your system - see https://nixos.org/manual/nixos/stable/#sec-upgrading for how
-  # to actually do that.
-  #
-  # This value being lower than the current NixOS release does NOT mean your system is
-  # out of date, out of support, or vulnerable.
-  #
-  # Do NOT change this value unless you have manually inspected all the changes it would make to your configuration,
-  # and migrated your data accordingly.
-  #
-  # For more information, see `man configuration.nix` or https://nixos.org/manual/nixos/stable/options#opt-system.stateVersion .
   system.stateVersion = "24.05"; # Did you read the comment?
 }