def map_layout
append_content_security_policy_directives(
:connect_src => %w(nominatim.openstreetmap.org overpass-api.de router.project-osrm.org valhalla.mapzen.com),
def map_layout
append_content_security_policy_directives(
:connect_src => %w(nominatim.openstreetmap.org overpass-api.de router.project-osrm.org valhalla.mapzen.com),