imagery: do not cache mapserver errors

[chef.git] / cookbooks / imagery / templates / default / nginx_imagery_layer_fragment.conf.erb

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 94bfde79712a203f942d25314853900c0965db8f..036c8ac237d0da265f30561c1e7e544e8ae00e48 100644 (file)
--- a/cookbooks/imagery/templates/default/nginx_imagery_layer_fragment.conf.erb
+++ b/cookbooks/imagery/templates/default/nginx_imagery_layer_fragment.conf.erb
@@ -5,10 +5,29 @@ location ~* "^/layer/<%= @layer %>/(\d+)/(\d+)/(\d+)\.(png|jpg|jpeg)$" {
   fastcgi_param QUERY_STRING "map=/srv/imagery/mapserver/layer-<%= @layer %>.map&mode=tile&layers=<%= @layer %>&tilemode=gmap&tile=$2+$3+$1";
   fastcgi_pass "unix:/var/run/mapserver-fastcgi/layer-<%= @layer %>.socket";
   fastcgi_buffers 8 64k;
-  fastcgi_cache "fastcgi_cache_zone";
   include fastcgi_params;
 
+  # Caching
+  fastcgi_cache "fastcgi_cache_zone";
+  fastcgi_cache_key "<%= @layer %><%= @revision %> $request_method $1 $2 $3";
+  fastcgi_keep_conn on;
+  fastcgi_cache_lock on;
+  fastcgi_cache_lock_timeout 30s;
+  fastcgi_cache_valid 200 21d;
+  fastcgi_cache_use_stale error timeout updating http_500 http_503;
+
+  fastcgi_ignore_client_abort on;
+
+  fastcgi_catch_stderr "Image handling error";
+
+  # Do not GZIP tiles
   gzip off;
+
+  # Add HTTP Cache-Control + Expires Headers
+  expires 7d;
+
+  # Allow CORS requests
+  add_header 'Access-Control-Allow-Origin' '*';
 }
 
 <% if @root_layer -%>