# DO NOT EDIT - This file is being maintained by Chef

location ~* "^/layer/<%= @layer %>/(\d+)/(\d+)/(\d+)\.(png|jpg|jpeg)$" {
  # 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;
  fastcgi_param REQUEST_METHOD "GET";
  fastcgi_param HTTP_PROXY "";
  fastcgi_read_timeout 300s;

  # 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 60s;
  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 -%>
rewrite "^/(\d+)/(\d+)/(\d+)\.(png|jpg|jpeg)$" "/layer/<%= @layer %>/$1/$2/$3.$4" last;
<% end -%>
<% @url_aliases.each do |url| -%>
rewrite "^<%= url %>/(\d+)/(\d+)/(\d+)\.(png|jpg|jpeg)$" "/layer/<%= @layer %>/$1/$2/$3.$4" last;
<% end -%>