diff --git a/deploy/Dockerfile b/deploy/Dockerfile
index fb86716..e92561a 100644
--- a/deploy/Dockerfile
+++ b/deploy/Dockerfile
@@ -9,5 +9,8 @@ COPY web/ ./web/
 # Expose a random non-standard port
 EXPOSE 8421
 
+# Python's http.server gracefully exits on SIGINT (Ctrl+C) rather than SIGTERM
+STOPSIGNAL SIGINT
+
 # Run the python HTTP server
 CMD ["python", "-m", "http.server", "8421"]