From 0555058fcd995c7dd2c1048e83a91aa332f5c335 Mon Sep 17 00:00:00 2001 From: Grant Slater Date: Sun, 8 Dec 2019 19:37:21 +0000 Subject: [PATCH] imagery: return cache status --- .../templates/default/nginx_imagery_layer_fragment.conf.erb | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/cookbooks/imagery/templates/default/nginx_imagery_layer_fragment.conf.erb b/cookbooks/imagery/templates/default/nginx_imagery_layer_fragment.conf.erb index f9caaea4d..9b837864b 100644 --- a/cookbooks/imagery/templates/default/nginx_imagery_layer_fragment.conf.erb +++ b/cookbooks/imagery/templates/default/nginx_imagery_layer_fragment.conf.erb @@ -21,7 +21,7 @@ location ~* "^/layer/<%= @layer %>/(\d+)/(\d+)/(\d+)\.(png|jpg|jpeg)$" { fastcgi_cache_valid 200 21d; # Serve stale cache on errors or if updating - fastcgi_cache_use_stale error timeout updating http_500 http_503 http_504; + fastcgi_cache_use_stale error timeout updating http_500 http_503; # If in cache as stale, serve stale and update in background fastcgi_cache_background_update on; # Enable revalidation using If-Modified-Since and If-None-Match for stale items @@ -40,6 +40,8 @@ location ~* "^/layer/<%= @layer %>/(\d+)/(\d+)/(\d+)\.(png|jpg|jpeg)$" { # Add HTTP Cache-Control + Expires Headers expires 7d; + add_header Cache-Control "stale-while-revalidate=604800, stale-if-error=604800"; + add_header x-cache-status $upstream_cache_status; # Allow CORS requests add_header 'Access-Control-Allow-Origin' '*'; -- 2.43.2