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AWS Local Authentication: Understanding Your Options and Using IAM User Long-Term Credentials Responsibly
When you’re working with AWS as a backend engineer — especially with Java and Spring Boot stacks — there will inevitably come a moment when you need to…
4 min read
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How to Securely Connect Your Spring Boot App to PostgreSQL with AWS Secrets Manager — No More Hardcoded Credentials
Hardcoding database credentials is a practice we all want to avoid — yet it still happens. With Spring Boot and AWS Secrets Manager, you can eliminate plain-text secrets…
4 min read
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How to Connect Spring Boot to PostgreSQL Using Spring Data JPA
PostgreSQL is a production-grade relational database system widely used across modern enterprise and microservice architectures. If you’re building a Spring Boot application, connecting it to PostgreSQL isn’t just…
4 min read
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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…
4 min read
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Building Robust APIs with Spring Boot and Validation Annotations
When building APIs, the hardest bugs often come from the easiest oversight: trusting user input. If your controller accepts data as-is and only relies on business logic to…
4 min read
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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,…
4 min read