How to build excutable docservice?

How to build excutable docservice as it is in docker installation from https://github.com/ONLYOFFICE/server project?

Document Server version:7.1.1
Type of installation of the Document Server docker
OS: Linux
Browser version: Chrome

Hello @sunpj
This guide is outdated. I think you should take a look at this title: https://github.com/ONLYOFFICE/build_tools