my website http://aqarspot.com is in Arabic language and i want Migrate do i have to make other steps
Most likely not. The arabic language is complete, so far as I know. Also the Right-to-left properties are inherited correctly by NodeBB!
I deployed nodebb on openshift with free tier plan. This has 1GB STORAGE space (not RAM). How long will this run? How many posts and users can it handle?
I am unsure if my community will get any users. So I decided to host it on openshift. If it gets enough users and posts I will move to a proper host like Bluehost.
I would like to know the process of migrating from openshift to bluehost without loosing any of my users or posts
It depends on how active your forum is... this forum only uses about 130mb for MongoDB, although there's a bit more taken up due to backups, etc.
Moving from one host to another is fine... just save the database (via mongodump) and the contents of