Really any backend language would work for this. Node, Ruby, PHP, etc. They all can do exactly what you want.
As far as databases, I'd just go with a relational database like MySQL or PostreSQL. You'll probably use an ORM in whatever backend language you choose to interact with the database.
For clarity, you said:
Ruby,Node and PHP will work for the "interactions"
MySQL and PostreSQL will help with building I'd believe the storage setup for the books?
F
Did I get that right?
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Really any backend language would work for this. Node, Ruby, PHP, etc. They all can do exactly what you want.
As far as databases, I'd just go with a relational database like MySQL or PostreSQL. You'll probably use an ORM in whatever backend language you choose to interact with the database.
For clarity, you said:
Ruby,Node and PHP will work for the "interactions"
MySQL and PostreSQL will help with building I'd believe the storage setup for the books?
F
Did I get that right?