There are 3 repositories under springboot-rest-api topic.
RESTful APIs for managing blog post and user's comments on it
spring boot examples
An API for creating and managing tasks.
File upload and download & store image into directory or folder and the path of the image is store in Database - Spring Boot REST API and Spring Data JPA
Build Restful CRUD API for Salary Maker-Frontend application using Spring Boot, Mysql, JPA and Hibernate
Demo springboot restful webservices
Spring boot REST API project
springboot-java-rest
SpringBootとKafkaでREST APIの検証
One to One mapping, One to Many Mapping, One to One Bi-Directional Mapping, One to Many Bi-Directional, Many to Many in Spring Data JPA
Spring boot project on CRUD REST API, JQuery, Ajax etc