Which relational DB? If it is Postgresql you might want to consider a data mapper like @dmfay
I do not have my choice yet. but it will be postgre or mysql. but if you know of another less heavy database it's good
Maybe if you can tell me more about what kind of app it is and what kind of data you have to deal with I can think of an alternative. But if the data is relational I would choose PostgreSQL
It's a simple platform who user can register and login, they can complete their profile and follow other.
It seems like you're describing the basics of a social network :)
I don't know which constraints you have but I think you can map everything on top of a relational DB, if you outgrow it there are better solutions for the "follow other" part
Check objection.js, it simple and easy.
most ORMs for Node have a disorganized and cluttered API.
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