From a42d83c9f64c5b4b0deca52b35a9e46013c82364 Mon Sep 17 00:00:00 2001
From: emma <hi@emma.cafe>
Date: Mon, 10 Mar 2025 13:58:41 -0400
Subject: [PATCH] add content-length and etag headers to thumbnail endpoint

---
 backend/btrixcloud/colls.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/backend/btrixcloud/colls.py b/backend/btrixcloud/colls.py
index a475328b..40a22ef9 100644
--- a/backend/btrixcloud/colls.py
+++ b/backend/btrixcloud/colls.py
@@ -433,7 +433,11 @@ class CollectionOps:
                     async for chunk in resp.content.iter_chunked(4096):
                         yield chunk
 
-        headers = {"Cache-Control": "max-age=3600, stale-while-revalidate=86400"}
+        headers = {
+            "Cache-Control": "max-age=3600, stale-while-revalidate=86400",
+            "Content-Length": f"{image_file.size}",
+            "Etag": f'"{image_file.hash}"',
+        }
         return StreamingResponse(reader(), media_type=image_file.mime, headers=headers)
 
     async def list_collections(