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How to Securely Connect Your Spring Boot App to PostgreSQL with AWS Secrets Manager — No More Hardcoded Credentials
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Exception Handling Like a Pro in Spring Boot REST APIs
In a perfect world, your REST API always works flawlessly. But in the real world? Things break. How your application handles those failures can define the difference between a developer’s dream and a support team’s nightmare. In this post, you’ll learn how to implement robust, consistent, and professional-grade exception handling in Spring Boot. We’ll go…
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Building Robust APIs with Spring Boot and Validation Annotations
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Understanding Dependency Injection in Spring: Field vs Constructor vs Setter
Dependency Injection (DI) is at the heart of the Spring Framework. It promotes loose coupling and easier unit testing by decoupling object creation from object usage. In Spring, there are three main ways to inject dependencies into a class: field injection, setter injection, and constructor injection. While all three are supported, each has its own…
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What Is a DTO? (And Why You Shouldn’t Return Your Entities in Spring Boot)
When building REST APIs with Spring Boot, it’s common to see beginners return entities directly from their controllers. At first glance, this seems fine—the data flows, the response looks right, and everything “just works.” But what happens when your entity evolves? When sensitive fields accidentally get exposed? Or when lazy-loaded relationships break your JSON?
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Getting Started with Spring Boot: Build a Task Manager App from Scratch
Spring Boot is the industry-standard framework for building modern Java applications. It dramatically reduces boilerplate code, accelerates development, and is battle-tested for microservices and monoliths alike. If you’re new to the Spring ecosystem, this post will walk you through everything you need to start building.
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Spring Boot Profiles: Managing Multiple Environments Like a Pro
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Protecting Your Spring Boot Application with OAuth2 Resource Server and Auth0
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Mastering Request Interception in Spring Boot: Filters vs. Interceptors
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Handling Exceptions in Spring Boot Applications
