From bf31e929b521461e7647d870be939297045561f2 Mon Sep 17 00:00:00 2001
From: Antti Kettunen <antti-kettunen@hotmail.com>
Date: Tue, 21 Apr 2026 18:13:48 +0300
Subject: [PATCH] Filter out curl healthchecks from access logs

---
 utils/gunicorn_logger.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/utils/gunicorn_logger.py b/utils/gunicorn_logger.py
index 9926886d..0dade80b 100644
--- a/utils/gunicorn_logger.py
+++ b/utils/gunicorn_logger.py
@@ -35,6 +35,10 @@ class FilteredGunicornLogger(GunicornLogger):
         ".eot",
     )
 
+    _HEALTHCHECK_USER_AGENTS = (
+        "curl/",
+    )
+
     def _should_skip_access_log(self, environ) -> bool:
         path = environ.get("PATH_INFO") or ""
         if not path:
@@ -49,6 +53,11 @@ class FilteredGunicornLogger(GunicornLogger):
         ):
             return True
 
+        if lower_path == "/":
+            user_agent = (environ.get("HTTP_USER_AGENT") or "").lower()
+            if any(token in user_agent for token in self._HEALTHCHECK_USER_AGENTS):
+                return True
+
         return any(lower_path.endswith(suffix) for suffix in self._STATIC_SUFFIXES)
 
     def access(self, resp, req, environ, request_time):