relocate tailscale auth file

Author: micartey

modules/network/tailscale.nix

@@ -1,16 +1,14 @@
-{ ... }:
+{ config, ... }:
 
 {
 
   services.tailscale = {
     enable = true;
     extraUpFlags = [ "--ssh" ];
-    authKeyFile = "/var/.tailscale/auth";
+    authKeyFile = config.sops.secrets."tailscale/auth_key".path;
   };
 
   sops.secrets = {
-    "tailscale/auth_key" = {
-      path = "/var/.tailscale/auth";
-    };
+    "tailscale/auth_key" = { };
   };
 }