Hey, I don't think I can answer this, it's too broad of a question. What kind of community? A forum? A fisical community?
If it's some kind of forum, there are loads of resources out there on how to create one. Or use some kind of forum generator or some kind of already done template.
We're a place where coders share, stay up-to-date and grow their careers.
We strive for transparency and don't collect excess data.