From 69d130d04bfef56a0df2e89da77ee4b110f6bb9c Mon Sep 17 00:00:00 2001
From: ale <ale@incal.net>
Date: Wed, 11 May 2022 16:33:35 +0100
Subject: [PATCH] Add Cache-Control headers to responses
---
okserver.go | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/okserver.go b/okserver.go
index ab68540..3de44c0 100644
--- a/okserver.go
+++ b/okserver.go
@@ -17,12 +17,18 @@ func main() {
// Create a very simple HTTP server with two endpoints: one
// that just replies "OK", and one that dumps the incoming
// request back to the client.
+ //
+ // The OK handler answers with a cachable response, while the
+ // dynamic one sets cache-busting headers.
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
switch r.URL.Path {
case "/echo":
w.Header().Set("Content-Type", "text/plain")
+ w.Header().Set("Expires", "-1")
+ w.Header().Set("Cache-Control", "no-store")
r.Write(w)
case "/", "/health":
+ w.Header().Set("Cache-Control", "max-age=86400")
io.WriteString(w, "OK\n")
default:
http.NotFound(w, r)
--
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