Practical writing on Java, Spring, AI, and the craft of software engineering.
If you're building with Java and Spring (or trying to figure out where AI fits into your development workflow) you're in the right place. I write practical, beginner-friendly deep dives on Spring Boot, Spring AI, and software engineering fundamentals, collected here in chronological order.
Filtering by tag: Spring boot
Spring Modulith Durable Events: Reliable Event Processing Without a Message Broker
Learn how Spring Modulith's event publication registry persists and replays failed events across restarts, giving you a transactional outbox with no message broker.
Introduction to Spring Modulith: Building Modular Monoliths with Spring Boot
Learn how Spring Modulith helps you build a modular monolith in Spring Boot with enforced module boundaries, application events, and verified architecture.
GraphQL for Java Developers with Spring Boot
Build GraphQL APIs in Java with Spring Boot 4 and Spring for GraphQL. A free course covering schema-first design, batch loading, unions, and AOT repositories.
Spring, Build Me a Coding Agent
Build an autonomous coding agent in Spring AI with the Spring AI Agent Utils library. This tutorial adds file system tools, shell commands, and agent skills.
Getting Started with Error Handling in the RestClient
Learn best practices for error handling with Spring's RestClient, including global exception handlers, custom exceptions, Problem Detail responses, and built-in retry with resilience methods in Spring Framework 7.
Giving Your Spring AI Agents a Real Browser with the Browserbase Spring Boot Starter
Most AI agents can search the web. But what happens when they need to actually use it? I built a Spring Boot Starter for Browserbase that gives your agents a real, headless browser in three lines of configuration, plus a deep research agent to show it off.
Building a Spring Initializr Terminal UI with Java
How I built a terminal user interface for the Spring Initializr using Tambu UI, a new Java TUI framework, and GraalVM native images to streamline my development workflow.
OpenTelemetry with Spring Boot 4: The New Starter
Learn how to use the new spring-boot-starter-opentelemetry in Spring Boot 4 to add observability with traces, metrics, and logs—no Actuator required.
Building a Spring Boot 4 REST API the Fast Way
Learn how to build a REST API with Spring Boot 4 in minutes. This tutorial shows you how to create CRUD endpoints using Java records and the @RestController annotation.