gistfile1.txt

server {
        server_name grvty-relay.recheck.io;
        set $upstream 127.0.0.1:4001;

        location / {
                proxy_pass_header Authorization;
                proxy_pass http://$upstream;
                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_http_version 1.1;
                proxy_set_header Connection "";
                proxy_buffering off;
                client_max_body_size 10m;
                proxy_read_timeout 120s;
                proxy_send_timeout 120s;
                proxy_redirect off;
        }
}