Mongo DB

List of basic routes:

Route	HTTP	Header(s)	Body	Description
/books	GET	none	none	Get all Books success: (200), example: [{"_id: String", "isbn": String, "title": String, "author": String, "category": String, "stock": Number}, {"id: String", "isbn": String, "title": String, "author": String, "category": String, "stock": Number}, etc] errors: (500), error
/books/:id	GET	none	none	Get book by id success: (200), example: {"_id: String", "isbn": String, "title": String, "author": String, "category": String, "stock": Number} errors: (404), example: {"message": "Book not found"} (500), error
/books	POST	none	isbn:String, title:String, author:String, category:String, stock:Number	Add a book success: (200), example: {"_id: String", "isbn": String, "title": String, "author": String, "category": String, "stock": Number} errors: (500), error
/books/:id	PUT	none	none	Update a book with new values success: (200), example: {"n": 1, "ok": 1} errors: (404), example: {"message": "Book not found"} (500), error
/books/:id	DELETE	none	none	Delete a book success: (200), example: {"n": 1, "ok": 1} errors: (404), example: {"message": "Book not found"} (500), error