Docker
Real Project: A Multi-Stage Dockerfile for a Spring Boot App
A real, working multi-stage Dockerfile for a Spring Boot app, the same pattern this site itself is built and deployed with.
Tutorials
All tutorials
Spring Boot
What Is Spring Boot? A Beginner's Introduction
A plain-English intro to what Spring Boot is, why it exists, and what problems it solves for you.
Spring Boot
Setting Up Your First Spring Boot Project
Step-by-step: create a fresh Spring Boot project using Spring Initializr and run it.
Spring Boot
Understanding the @SpringBootApplication Annotation
What the main annotation actually does and why every Spring Boot app has it.
Spring Boot
Building Your First REST API Endpoint
Create a simple GET endpoint that returns data, and understand controllers.
Spring Boot
Reading Request Data: Path Variables and Query Parameters
How to accept input from the URL in your Spring Boot endpoints.
Spring Boot
Accepting JSON with @RequestBody
Receive JSON data sent by clients and turn it into Java objects automatically.
Spring Boot
Connecting Spring Boot to a Database with JPA
Store and load data using Spring Data JPA without writing SQL by hand.
Spring Boot
Serving HTML Pages with Thymeleaf
Render dynamic web pages from your Spring Boot app using the Thymeleaf template engine.