Build a REST API with Spring Boot
Build a complete REST API with Spring Boot step by step: a task resource with create, read, update and delete, request and response records, validation, proper status codes, consistent error responses with ProblemDetail, pagination, PostgreSQL with Flyway, and tests.
CodexBash, , 5 min read
Our Spring Boot beginners guide showed the building blocks: controllers, services, repositories and configuration. This article puts them together into a complete REST API the way it is done in real projects, for a simple to-do service. It covers all five operations, separate request and response types, validation, correct status codes, a consistent error format, pagination, a real PostgreSQL database with migrations, and tests. Every piece is small, but together they are the template for most APIs you will build.
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The whole 5 minute article is free with an account, along with every problem, lesson and tutorial. No card.