From 680f1ff19c7483ec8e4001534f0baed79259bad1 Mon Sep 17 00:00:00 2001
From: Michael Brown <michael.brown@discourse.org>
Date: Tue, 26 Mar 2024 11:37:20 -0400
Subject: [PATCH] FIX: Add content-type header to rate limiter error

It's best to always set a content-type header and one was missing here.
---
 lib/middleware/request_tracker.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/middleware/request_tracker.rb b/lib/middleware/request_tracker.rb
index fbb88bca593..042b946ba22 100644
--- a/lib/middleware/request_tracker.rb
+++ b/lib/middleware/request_tracker.rb
@@ -218,6 +218,7 @@ class Middleware::RequestTracker
         Error code: #{error_code}.
       TEXT
       headers = {
+        "Content-Type" => "text/plain",
         "Retry-After" => available_in.to_s,
         "Discourse-Rate-Limit-Error-Code" => error_code,
       }