From b3377dab488f1147325fafdf8983f9e40b20314c Mon Sep 17 00:00:00 2001
From: Guanran Wang <guanran928@outlook.com>
Date: Fri, 6 Sep 2024 21:20:51 +0800
Subject: [PATCH] tyo0/redlib: block search indexing

---
 hosts/tyo0/services/redlib.nix | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/hosts/tyo0/services/redlib.nix b/hosts/tyo0/services/redlib.nix
index 7adcd16..27d50bc 100644
--- a/hosts/tyo0/services/redlib.nix
+++ b/hosts/tyo0/services/redlib.nix
@@ -13,9 +13,17 @@ in
     match = lib.singleton {
       host = [ "reddit.ny4.dev" ];
     };
-    handle = lib.singleton {
-      handler = "reverse_proxy";
-      upstreams = [ { dial = "localhost:${toString port}"; } ];
-    };
+    handle = [
+      {
+        # Google's indexing caused a DoS with 800k requests...
+        # https://developers.google.com/search/docs/crawling-indexing/block-indexing
+        handler = "headers";
+        response.set."X-Robots-Tag" = [ "noindex" ];
+      }
+      {
+        handler = "reverse_proxy";
+        upstreams = [ { dial = "localhost:${toString port}"; } ];
+      }
+    ];
   };
 }