Designate microservices for an electronic library application.

For the electronic library application, the following microservices can be distinguished:

• User Management Service — registration, authentication, profile management.
• Book Catalog Service — storage and search of information about books, genres, authors.
• Order/Reservation Management Service — placing orders for books, managing the wishlist.
• Reading/View Service — providing access to electronic versions of books.
• Reviews and Ratings Service — collecting and storing user reviews, book ratings.
• Notifications Service — sending notifications about new books, promotions, order statuses.
• Analytics Service — collecting usage statistics, popularity of books, etc.

This separation allows isolating functionality, simplifying scaling and maintenance.