This is using Bigbluebutton Docker Version: 2.3.0 | Bigbluebutton Docker

• Build your own dockers on /mod
• search for "your_docker_repo_name" and update to your docker image
• search for yourdomain.com and update to your domain
• search for <<update this>> and update your value.
• run ./deploy.sh

Each scaled bbb instance will have the domain ${HOSTNAME}.yourdomain.com so make scripts to update record set of domain to it.

• Remove completely any dependency on instance or private or Public IP.
• Automatically scale on high load

• You should manage your sub domains and distribute your room to them (easy task)
• All firewall on docker host for Bigbluebutton need to be exposed. Check bbb firewall docs.

Tested on Digitalocean