From 5b6c232cefcc8d75ba5dae17db4bfb2e70a09385 Mon Sep 17 00:00:00 2001 From: Tom Hughes Date: Fri, 22 Nov 2019 17:06:59 +0000 Subject: [PATCH] Tell browsers they can use stale tiles --- cookbooks/tile/templates/default/apache.erb | 3 +++ 1 file changed, 3 insertions(+) diff --git a/cookbooks/tile/templates/default/apache.erb b/cookbooks/tile/templates/default/apache.erb index 8df11453b..e5d7f1719 100644 --- a/cookbooks/tile/templates/default/apache.erb +++ b/cookbooks/tile/templates/default/apache.erb @@ -40,6 +40,9 @@ # Add diagnostics header to identify render server Header set X-TileRender "<%= node.name %>" + # Tell clients to use stale tiles if necessary + Header append Cache-Control "stale-while-revalidate=604800, stale-if-error=604800" "expr=%{CONTENT_TYPE} == 'image/png'" + # Remove Proxy request header to mitigate https://httpoxy.org/ RequestHeader unset Proxy early -- 2.43.2