location /api {
add_header 'Access-Control-Allow-Origin' '*' always;
add_header 'Access-Control-Allow_Credentials...,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range' always;
add_header...'Access-Control-Max-Age' 1728000;
add_header 'Content-Type' 'text/plain charset=UTF-...8';
add_header 'Content-Length' 0;
add_header 'Access-Control-Allow-Origin...add_header 'Access-Control-Allow-Headers' 'Authorization,Accept,Origin,DNT,X-CustomHeader,Keep-Alive,