+<% if Settings.key?(:tracestrack_key) %>
+ TRACESTRACK_KEY: <%= Settings.tracestrack_key.to_json %>,
+<% end %>
+
+ LAYER_DEFINITIONS: <%= YAML.load_file(Rails.root.join("config/layers.yml")).to_json %>,
+ LAYERS_WITH_MAP_KEY: <%= YAML.load_file(Rails.root.join("config/key.yml")).keys.to_json %>,
+