move things out of common into valefar

hosts/valefar/default.nix

@@ -31,7 +31,19 @@
   boot.supportedFilesystems = [ "zfs" ];
   boot.kernelModules = [ "nct6775" "coretemp" ];
 
+  services.zfs.autoScrub.enable = true;
+  services.zfs.trim.enable = true;
+
   environment.systemPackages = with pkgs; [
     lm_sensors
+    code-server
   ];
+
+  virtualisation.docker = {
+    enable = true;
+    enableOnBoot = true;
+    package = pkgs.docker.override {
+      buildGoModule = pkgs.buildGo123Module;
+    };
+  };
 }