proxy_set_header        Host            $host;
proxy_set_header        X-Real-IP       $remote_addr;
proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;

proxy_redirect          off;
proxy_connect_timeout   10s;
proxy_send_timeout      20s;
proxy_read_timeout      90s;
proxy_buffers           32 4k;