diff --git a/.github/workflows/build-modules.yml b/.github/workflows/build-modules.yml
new file mode 100644
index 0000000..3b83349
--- /dev/null
+++ b/.github/workflows/build-modules.yml
@@ -0,0 +1,37 @@
+name: "Nix: build nixos-/home modules"
+
+on:
+  workflow_dispatch:
+  push:
+    paths:
+      - "modules/**.nix"
+      - "**.lock"
+      - ".github/workflows/build-modules.yml"
+
+jobs:
+  check-flake:
+    name: Validate x86_64-linux
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        outputs: [nixosModules, homeModules]
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.ref_name }}
+          persist-credentials: false
+
+      - name: Install Lix
+        uses: ./.github/actions/install-lix
+
+      - name: Setup Attic cache
+        uses: ryanccn/attic-action@v0.3.2
+        with:
+          endpoint: https://cache.thevoid.cafe
+          cache: puzzlevision
+          token: ${{ secrets.ATTIC_TOKEN }}
+
+      - name: Buid flake
+        run: nix build .#nixosModules.puzzlevision
diff --git a/homes/x86_64-linux/jo/apps/youtube-music/default.nix b/homes/x86_64-linux/jo/apps/youtube-music/default.nix
index 19b7b11..af40fc8 100644
--- a/homes/x86_64-linux/jo/apps/youtube-music/default.nix
+++ b/homes/x86_64-linux/jo/apps/youtube-music/default.nix
@@ -10,7 +10,7 @@ let
 in
 {
   programs.youtube-music = {
-    enable = true;
+    enable = false;
     options = {
       tray = true;
       trayClickPlayPause = true;
diff --git a/homes/x86_64-linux/jo/default.nix b/homes/x86_64-linux/jo/default.nix
index 24a84b6..a06a346 100644
--- a/homes/x86_64-linux/jo/default.nix
+++ b/homes/x86_64-linux/jo/default.nix
@@ -38,6 +38,7 @@
     ghostty
     teams-for-linux
     enpass
+    youtube-music
 
     ## WEB
     ungoogled-chromium
diff --git a/systems/x86_64-nixos/puzzlevision/default.nix b/systems/x86_64-nixos/puzzlevision/default.nix
index 818ba2e..ac5e4e5 100644
--- a/systems/x86_64-nixos/puzzlevision/default.nix
+++ b/systems/x86_64-nixos/puzzlevision/default.nix
@@ -13,12 +13,19 @@
     users.jo = {
       enable = true;
       hashedPassword = "$6$mvK9bT756Aok54Vt$vBRnT66Vb3HL0Y5rEMJlHvKkvzVQ.KUciInTmW3FCBFT00IuFMpz3q9RhXPLTLMRPho65bTg9hMnFPb84I774.";
-      extraGroups = [ "wheel" ];
+      extraGroups = [
+        "wheel"
+        "docker"
+      ];
     };
 
     archetypes.laptop.enable = true;
   };
 
+  networking.extraHosts = ''
+    	127.0.0.1 dev.bl-projekte.de
+  '';
+
   # Configure 8GB SWAP partition
   swapDevices = [
     {