Try setting up garden syncthing.

flake.lock

@@ -45,7 +45,7 @@
       },
       "locked": {
         "lastModified": 1,
-        "narHash": "sha256-qw6/LhFq3Wq0Bd+HOvWEgaeLLdSfjxiVFnDCqe7Mg60=",
+        "narHash": "sha256-Q1NbA/o8Q+JSR6wfK7cd9ylc3QWuURATo7c2Q1JCbX4=",
         "path": "pkgs/caddy",
         "type": "path"
       },

hosts/garden/default.nix

@@ -22,6 +22,13 @@
     "flakes"
   ];
 
+  services.caddy.virtualHosts."https://garden.tailc50184.ts.net".extraConfig = ''
+    bind tailscale/garden
+    reverse_proxy localhost:8384 {
+      header_up Host {upstream_hostport}
+    }
+  '';
+
   services.prowlarr.enable = true;
   services.caddy.virtualHosts."https://prowlarr.tailc50184.ts.net".extraConfig = ''
     bind tailscale/prowlarr