# Override QUERY_STRING to force mapserver query parameters
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;
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;
+
+ # 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 -%>