Articles by Tag #springboot
Browse our collection of articles on various topics related to IT technologies. Dive in and explore something new!
Understanding concepts in Event Driven Architectures (EDA)
Event Driven Architecture has become a very popular choice in recent times for developing highly...
Why I'm Building My Own Distributed Database
As a backend developer, I've worked with Redis, PostgreSQL, MongoDB, and countless other databases....
Java Isn't Verbose – You Are
Every week, some developer crawls out of their legacy codebase to announce that Java is "too...
Spring Data JPA Best Practices: Entity Design Guide
You can enjoy the original version of this article on my website, protsenko.dev. This series of...
A Tribute to the Java Pioneers: You Built the Foundation We Stand On
Picture this: It's 1997. You just downloaded the JDK 1.1 from Sun's website after waiting 45 minutes...
Spring Boot: Stop Using @Value Everywhere! Discover @ConfigurationProperties
Hey dev community! When working on Spring Boot projects, we all need to read values from our...
Building My First RESTful API: Backend Wizards Stage 0 Journey 🚀
Building My First RESTful API: Backend Wizards Stage 0 Journey 🚀 A complete walkthrough of...
🐌 “My Spring Boot API Became Slow… Until I Learned Pagination & Sorting”
At first, my Spring Boot APIs worked perfectly. Data was returned. UI was happy. Everything looked...
How I Reduced Kafka Boilerplate by 90% with Curve - A Declarative Event Library for Spring Boot
I built Curve, an open-source Spring Boot library that turns 30+ lines of Kafka event publishing code...
When AI Refactors Break Layering (And How to Prevent It)
In a previous post, I wrote about integrating AI into a Spring Boot system without compromising...
Shipping a Professional Blog with One Line of Java
How a shared blog library solved the recurring problem of content marketing across multiple Spring Boot projects.
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[Quick Fix] Hibernate: object references an unsaved transient instance
TL;DR You are likely trying to save an Entity that refers to another object that isn't...
Analisando o Código Fonte do Outbox Namastech.io: Uma Implementação Genérica do Outbox Pattern
Disclaimer Este texto foi inicialmente concebido pela IA Generativa em função da...
Spring Boot Database Connection — From JDBC to Production Best Practices
🧩 1. Understanding What a “Database Connection” Is A Database Connection is a...
🐶Spring Boot, but Every Exception Is a Dog Breed
You know how every Spring Boot exception has its own personality? Some are calm, some bark all day,...
Scalable Spring Boot Project — A Feature-Based Structure That Grows With You
If you’ve ever opened an old Spring Boot project and felt like you were stepping into a jungle —...
Building a Distributed Chat App in Spring Boot (No Redis Required)
Most tutorials on building distributed chat systems start with "First, install Redis..." or "Set up...
Spring Boot Auto-Configuration Explained: What Happens When You Run Your App?
📌 What is Auto-Configuration in Spring Boot? Auto-Configuration is one of the most...
Implement a GitLab CI pipeline to deploy a Spring Boot app.
A complete, step-by-step guide to implement a GitLab CI/CD pipeline to: ✅ Deploy a Spring Boot...
🏨 Spring Boot 4 & Spring Framework 7: Native API Versioning (No More Hacks)
🏨 Spring Boot 4 — Native API Versioning Guide (With Path, Header, Query & Media-Type...
Hexagonal Architecture na Prática: Construindo Software Sustentável com Java e Spring Boot
Introdução Proposta por Alistair Cockburn, a Hexagonal Architecture (Ports & Adapters)...
A Practical Guide to Building AI Agents with Java and Spring AI - Part 2 - Add Memory
In Part 1 of this series, we built a functional AI agent using Java, Spring AI, and Amazon Bedrock....
High-Availability Schema Changes: Rolling Updates with Flyway and Spring Boot
Supporting multiple live instances of an application that interact with a single relational database...
Building a Lightning-Fast Full-Stack App: Spring Boot Native + Angular
Quick summary: How I built a production-grade full-stack app with ultra-fast startup and a tiny...
Domain Events: Transformando Mudanças em Oportunidades
Introdução E se seu código pudesse anunciar quando algo importante acontece, ao invés de...
Solving Access Denied Issues After SSE Implementation in Spring Security
TLDR: Implemented SSE streaming for LLM responses, but second event onwards hit "Access Denied"....
A Practical Guide to Building AI Agents With Java and Spring AI - Part 1 - Create an AI Agent
Building AI-powered applications has become increasingly important for modern Java developers. With...
Spring Boot Scheduling & Quartz — Complete Guide
1. What Is Scheduling? Scheduling means executing a task automatically at specific...
How I Stopped Manually Syncing My TypeScript Frontend with Spring Boot Backend
I spent an entire day rewriting my frontend code. Not because I was adding new features. Not because...
How to Use JWT Authentication in Spring Boot (Java 21) — An End-to-End Beginner Guide
Learn how to implement JWT authentication in Spring Boot with Java 21 using a complete, secure,...