the index of the onlineoffice website: https://helpcenter.onlyoffice.com/installation/docs-community-install-docker.aspx

sudo docker pull onlyoffice/documentserver

sudo docker run -i -t -d -p 8700:80 --restart=always \
    -v /app/onlyoffice/DocumentServer/logs:/var/log/onlyoffice  \
    -v /app/onlyoffice/DocumentServer/data:/var/www/onlyoffice/Data  \
    -v /app/onlyoffice/DocumentServer/lib:/var/lib/onlyoffice \
    -v /app/onlyoffice/DocumentServer/db:/var/lib/postgresql -e JWT_SECRET=my_jwt_secret onlyoffice/documentserver

I will run a Spring Demo project to request the remote OnlyOffice document server.
Link: run spring demo project