pi-server | format, add vars.nix, remove tailscale0 overrides

hosts/pi-server/default.nix

@@ -1,5 +1,11 @@
-{ inputs, outputs, lib, config, pkgs, ... }:
-let
+{
+  inputs,
+  outputs,
+  lib,
+  config,
+  pkgs,
+  ...
+}: let
   my-python-packages = python-packages:
     with python-packages; [
       pip
@@ -26,7 +32,7 @@ in {
   imports = [
     ../../home
     ./systemd.nix
-    ./tailscale.nix
+    ../vars.nix
     ./upgrade-diff.nix
     ../../modules/beszel-agent.nix
   ];
@@ -74,11 +80,13 @@ in {
     sudo.enable = false;
     doas = {
       enable = true;
-      extraRules = [{
+      extraRules = [
+        {
           users = ["don"];
           keepEnv = true;
           noPass = true;
-      }];
+        }
+      ];
     };
   };
 
@@ -202,30 +210,21 @@ in {
 
     # allow the Tailscale UDP port through the firewall
     allowedUDPPorts = [config.services.tailscale.port];
-    allowedTCPPortRanges = [{
+    allowedTCPPortRanges = [
+      {
         from = 1714;
         to = 1764;
-    }];
-    allowedUDPPortRanges = [{
+      }
+    ];
+    allowedUDPPortRanges = [
+      {
         from = 1714;
         to = 1764;
-    }];
+      }
+    ];
 
     # allow you to SSH in over the public internet
     allowedTCPPorts = [22];
-    interfaces = {
-      "tailscale0" = {
-        allowedTCPPorts = [ 22 8080 8443 ];
-        allowedTCPPortRanges = [{
-          from = 1714;
-          to = 1764;
-        }];
-        allowedUDPPortRanges = [{
-          from = 1714;
-          to = 1764;
-        }];
-      };
-    };
   };
 
   # This value determines the NixOS release from which the default