location ^~ /api/{                ssi on;                ssi_silent_errors  off;                proxy_redirect          off;                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_connect_timeout   15;                proxy_send_timeout      15;                proxy_read_timeout      15;                proxy_buffers           32 4k;                proxy_pass   http://aibusiness;                break;        }