To test from SPRING BOOT REST

all GET http://localhost:8080/books

by Id GET http://localhost:8080/book/3

To test from SPRING DATA REST

all GET http://localhost:8080/api/books

by Id GET http://localhost:8080/api/books/3

Add new data POST http://localhost:8080/api/books/

body { "author": "Ernest", "isbn": "1232324-21", "title": "A Farewell to Arm", "year": 2020, "category": "http://localhost:8080/api/categories/1" }

Get data by year GET http://localhost:8080/api/books/search/findByYear?year=1929