From 67cd992e12c2cd44ec18a63fc36bc8a259b70c9b Mon Sep 17 00:00:00 2001
From: DarthSim <darthsim@gmail.com>
Date: Sun, 11 Dec 2022 19:03:04 +0600
Subject: [PATCH] Set cache-control: no-cache to heath response

---
 CHANGELOG.md | 3 ++-
 server.go    | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5917ed6a..99e66cad 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,7 +7,8 @@
 ### Change
 - Change `IMGPROXY_FORMAT_QUALITY` default value to `avif=65`.
 - Change `IMGPROXY_AVIF_SPEED` default value to `8`.
-- Change `IMGPROXY_PREFERRED_FORMATS` default value to `jpeg,png,gif`;
+- Change `IMGPROXY_PREFERRED_FORMATS` default value to `jpeg,png,gif`.
+- Set `Cache-Control: no-cache` header to the health check responses.
 
 ## [3.11.0] - 2022-11-17
 ### Add
diff --git a/server.go b/server.go
index 8ce5e574..402d5fc9 100644
--- a/server.go
+++ b/server.go
@@ -166,6 +166,7 @@ func withPanicHandler(h router.RouteHandler) router.RouteHandler {
 
 func handleHealth(reqID string, rw http.ResponseWriter, r *http.Request) {
 	router.LogResponse(reqID, r, 200, nil)
+	rw.Header().Set("Cache-Control", "no-cache")
 	rw.WriteHeader(200)
 	rw.Write(imgproxyIsRunningMsg)
 }