From c2be7c87604972c75f5ee8f5794018c378e586d8 Mon Sep 17 00:00:00 2001
From: Bryan Newbold <bnewbold@archive.org>
Date: Fri, 5 Mar 2021 16:27:51 -0800
Subject: web: respond to HTTP HEAD / (for uptime monitoring)

Proper HTTP HEAD support for all endpoints would be better, but don't
want to break CORS stuff by hacking it.
---
 fatcat_scholar/web.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/fatcat_scholar/web.py b/fatcat_scholar/web.py
index dce732b..a268bf8 100644
--- a/fatcat_scholar/web.py
+++ b/fatcat_scholar/web.py
@@ -84,6 +84,13 @@ api = APIRouter()
 async def home() -> Any:
     return {"endpoints": {"/": "this", "/search": "fulltext search"}}
 
+@api.head("/", include_in_schema=False)
+async def root_head() -> Any:
+    """
+    HTTP HEAD only for the root path. Requested by, eg, uptime monitoring
+    tools. This is distinct from the CORS middleware.
+    """
+    return Response()
 
 class HitsModel(BaseModel):
     count_returned: int
-- 
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