Implement a basic API with the Repository, Service and Controller layers of a Bookstore.

It is necessary to register a new book in the system. Every book must have the following attributes below:

• A title.
• An abstract of what will be found in the book.
• A free-size Summary.
• Price of the book.
• Number of pages.
• ISBN (book identifier).
• Date it should go released (of publication).

• Title is required.
• Abstract is mandatory and has a maximum of 500 characters.
• Summarry is free-sized.
• Price is mandatory and the minimum is 20.
• Number of pages is mandatory and the minimum is 100.
• ISBN is mandatory, free format.
• Date that will go released needs to be in the future.

A new book needs to be created and status 200 returned.

• The application must have a minimum coverage of 80% of the API code.
• Perform at least 2 integration tests.