From 2db0e33f28c786a0e04284bd60c75b74eec76941 Mon Sep 17 00:00:00 2001
From: Matt Dunn-Rankin <mattdunnrankin@khanacademy.org>
Date: Thu, 30 Apr 2020 00:18:01 -0700
Subject: [PATCH] forward Cache-Control response header too!

---
 api/assetProxy.js | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/api/assetProxy.js b/api/assetProxy.js
index d2ba266..5ed22ce 100644
--- a/api/assetProxy.js
+++ b/api/assetProxy.js
@@ -33,8 +33,6 @@ export default async (req, res) => {
   );
 
   res.status(proxyRes.status);
-  if (proxyRes.ok) {
-    res.setHeader("Cache-Control", "public, max-age=86400"); // 1 day
-  }
+  res.setHeader("Cache-Control", proxyRes.headers.get("Cache-Control"));
   streamPipeline(proxyRes.body, res);
 };