Hi project owner.
I'm a senior full stack developer. I have over 7 years experience in web development and over 4 years in server administration. I also good in DevOps.
I already check the BigBlueButton system, it seems use ruby for the core. I can help you to install it.
I would recommend you to install this in staging domain than once everything set (after deep checking, etc), change the domain from the DNS to production. Do you think kind of this one will impact to data consistency ? Or maybe we need to make server maintenance page during DNS propagation ?
Please consider my bid and I hope you want to talk more detail about this project over chat.
Regards,
Teguh