From b2ae31cad10709614620acd3633c88c8ae738fb4 Mon Sep 17 00:00:00 2001
From: Fred Boniface <fred@fjla.uk>
Date: Thu, 4 May 2023 10:45:55 +0100
Subject: [PATCH] Move cache ttl to max-age rather than expires

---
 conf/nginx.conf | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/conf/nginx.conf b/conf/nginx.conf
index d64739c..f251c43 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -39,8 +39,7 @@ http {
             gzip_static on;
             brotli_static on;
             error_page 404 /404.html;
-            expires 2d;
-            add_header Cache-Control "public, no-transform";
+            add_header Cache-Control "public, no-transform, max-age=1209600";
         }
 
         location /api/ {
@@ -48,8 +47,7 @@ http {
             proxy_cache_key $scheme://$host$uri$is_args$query_string;
             proxy_ignore_headers Cache-Control;
             proxy_cache_valid 200 2m;  # Evaluate whether 2m or 1m is more appropriate
-            expires 2m;
-            add_header Cache-Control "private, no-transform";
+            add_header Cache-Control "private, no-transform, max-age=120";
         }
 
         location /api/v1/list/ {
@@ -57,8 +55,7 @@ http {
             proxy_cache_key $scheme://$host$uri$is_args$query_string;
             proxy_ignore_headers Cache-Control;
             proxy_cache_valid 200 10080m;
-            expires 7d;
-            add_header Cache-Control "public, no-transform";
+            add_header Cache-Control "public, no-transform, max-age=604800";
         }
     }
 }