diff --git a/tongfang/nixos/packages.nix b/tongfang/nixos/packages.nix
index 96aae2d..dc6f639 100644
--- a/tongfang/nixos/packages.nix
+++ b/tongfang/nixos/packages.nix
@@ -24,5 +24,6 @@ in
     '')
     dig
     caligula
+    spotify
   ];
 }
diff --git a/tongfang/nixos/users.nix b/tongfang/nixos/users.nix
index fc1f4a3..63b60c9 100644
--- a/tongfang/nixos/users.nix
+++ b/tongfang/nixos/users.nix
@@ -4,7 +4,7 @@
   users.users.bart = {
     isNormalUser = true;
     description = "Bart van der Braak";
-    extraGroups = [ "networkmanager" "wheel" ];
+    extraGroups = [ "networkmanager" "wheel" "docker" ];
     packages = with pkgs; [
       vscodium
       thunderbird
@@ -17,16 +17,19 @@
       opentofu
       python3
       gnumake
-      spotify
       _1password-gui
-      nodejs_22
-      corepack_22
+      # nodejs_22
+      # corepack_22
       azure-cli
       sops
       blender
+      nixfmt-rfc-style
     ];
   };
 
+  # Enable discovery of Google Cast and Spotify Connect devices
+  networking.firewall.allowedUDPPorts = [ 5353 ];
+
   nixpkgs.config.permittedInsecurePackages = [
     # Workaround for electron dependency in Logseq
     "electron-27.3.11"
@@ -44,4 +47,11 @@
   # GPG agent configuration
   programs.gnupg.agent.enable = true;
   programs.gnupg.dirmngr.enable = true;
+
+  # Add Docker support
+  virtualisation.docker.enable = true;
+  virtualisation.docker.rootless = {
+    enable = true;
+    setSocketVariable = true;
+  };
 }