How to add a domain name to access the DE server ?

I have an nginx proxy server and a onlyoffice de server ,
How to access the onlyoffice de server through a proxy.
What should I do?

OS:CentOS stream 9
Developer Edition:8.1.3-4.el7

Hello,
Here are nginx proxy settings that you can use for running Document Server behind proxy: document-server-proxy/nginx/minimal.conf at master · ONLYOFFICE/document-server-proxy · GitHub