From 71711bb698e67771e7a63a352aa17804ff008dc6 Mon Sep 17 00:00:00 2001
From: Stefan Forstenlechner <stefan@forstenlechner.dev>
Date: Sun, 17 Apr 2022 14:12:13 +0200
Subject: [PATCH] Set max-age and expire header for caching

---
 picture-gallery-server/src/app.ts | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/picture-gallery-server/src/app.ts b/picture-gallery-server/src/app.ts
index 9ccb584..52e26c5 100644
--- a/picture-gallery-server/src/app.ts
+++ b/picture-gallery-server/src/app.ts
@@ -14,7 +14,18 @@ const app = express();
 
 const PORT = process.env.PORT || 3001;
 
-app.use("/images", express.static(publicPath));
+app.use(
+  "/images",
+  express.static(publicPath, {
+    maxAge: 2592000000,
+    setHeaders(res, _) {
+      res.setHeader(
+        "Expires",
+        new Date(Date.now() + 2592000000 * 30).toUTCString()
+      );
+    },
+  })
+);
 
 app.use(express.static("../picture-gallery-client/build"));