@honeybear this should help you.
PS: If you use Theme Persona. You have Settings under ACP -> Plugins -> Theme Persona
How to migrate nodeBB?
currently, it's on Heroku. migrating to the Digital Ocean.
@Varun-Ganesh-D Do not know jack about Heroku but presuming you have access to a shell account:
Like most tech stuff, there's more than one way to do it. I presented you with one. Other's mileage may vary.
Note: I have omitted propagating updated DNS pointers but you should also ensure forward and reverse dns records are in order. Once done, you will also need to generate new TLS certificates for the DO droplet. Presuming you have access to auth DNS records:
Good luck and have fun! o/
It's Very Complex.
I installed Fresh. Lost everything.