From 025e6b1fbad3c873defba1d2bdd3cd3c5a8cf446 Mon Sep 17 00:00:00 2001
From: jaknapper <jaknapper@hotmail.com>
Date: Tue, 12 Aug 2025 18:40:59 +0100
Subject: [PATCH] Request no caching for static files like webapp

---
 .../server/serve_static_files.py                         | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/openflexure_microscope_server/server/serve_static_files.py b/src/openflexure_microscope_server/server/serve_static_files.py
index fc54d50c..bd1ba26b 100644
--- a/src/openflexure_microscope_server/server/serve_static_files.py
+++ b/src/openflexure_microscope_server/server/serve_static_files.py
@@ -22,7 +22,14 @@ def add_static_file(app: FastAPI, fname: str, folder: str) -> None:
     """
     p = os.path.join(folder, fname)
     app.get(f"/{fname}", response_class=FileResponse, include_in_schema=False)(
-        lambda: FileResponse(p)
+        lambda: FileResponse(
+            p,
+            headers={
+                "Cache-Control": "no-store, no-cache, must-revalidate, max-age=0",
+                "Pragma": "no-cache",
+                "Expires": "0",
+            },
+        )
     )