302-frameworks-spring-boot-rest

name	302-frameworks-spring-boot-rest
description	Use when you need to design, review, or improve REST APIs with Spring Boot — including HTTP methods, resource URIs, status codes, DTOs, versioning, error handling, security, API documentation, controller advice, and problem details for errors. Part of the skills-for-java project
license	Apache-2.0
metadata	{"author":"Juan Antonio Breña Moral","version":"0.13.0-SNAPSHOT"}

Java REST API Design Principles

Apply REST API design principles for Spring Boot applications.

What is covered in this Skill?

• HTTP methods (GET, POST, PUT, PATCH, DELETE)
• Resource URI design
• HTTP status codes
• Request/response DTOs
• API versioning
• Error handling
• API security
• Documentation (OpenAPI)
• Controller advice and problem details

Scope: Apply recommendations based on the reference rules and good/bad code examples.

Constraints

Before applying any REST API changes, ensure the project compiles. If compilation fails, stop immediately. After applying improvements, run full verification.

• MANDATORY: Run ./mvnw compile or mvn compile before applying any change
• SAFETY: If compilation fails, stop immediately
• VERIFY: Run or after applying improvements