End to End Logging in Spring Boot with Sleuth and AOP
Modern applications need more than just “this method was called.” Developers need visibility into what data flows through their...
Distributed Tracing Made Easy with Spring Cloud Sleuth: A Complete Example
Modern microservice architectures often involve multiple services communicating with each other through HTTP, messaging systems, or event streams. Debugging...
Scaling Spring Boot on ECS with a Shared PostgreSQL Database: Patterns for Safe Concurrency
Multiple identical application containers talk to a single Postgres DB. Without coordination you risk: Goal: ensure correctness (no data...
Spring Cloud AWS and AWS SSM Parameter Store and AWS Secrets Manager from Spring Boot and Java
This is a spring cloud implementation from this article https://lotusteksolution.com/2025/09/09/how-to-use-aws-ssm-parameter-store-and-aws-secrets-manager-from-spring-boot-and-java/ This tutorial uses Spring Cloud AWS property mapping (so...
ReactJS + Tailwind CSS: Full Tutorial with Example & Project Structure
Combining ReactJS with Tailwind CSS gives you the power of fast, utility-first styling in a modern front-end framework. In...
Styling in ReactJS – A Complete Guide with Example and Project Structure
When developing applications in ReactJS, styling plays a crucial role in both the visual appeal and maintainability of your...
Understanding useRef and Refs in ReactJS (With Full Examples)
When building React applications, there are situations where you may need to directly access or interact with a DOM...
Using Multiple useEffect Hooks in a Single React Component
React’s useEffect hook allows functional components to perform side effects such as data fetching, subscriptions, or manually changing the...
Factory Pattern using Java and Spring Boot web application
Let’s take the Factory Pattern and apply it to a Spring Boot web application. Let’s use a more real-world...
Factory Pattern in Java Simplified
The Factory Pattern is a creational design pattern that provides an interface for creating objects but allows subclasses or...
Building a REST API with Java, Spring Boot, and PostgreSQL – Best Practices & Full Example
Developing RESTful APIs is a cornerstone of modern backend development. When using Java, Spring Boot is the go-to framework...
Deploying Java AWS Lambda to Multiple Environments Using AWS SAM, Parameter Store, and One Codebase
Managing multiple environments (like dev and prod) with one codebase is a common challenge when building AWS Lambda functions....All Articles
Spring Boot Exception Handling Best Practices with Real-World Example
Exception handling is a critical part of any application, and with Spring Boot, you can implement robust and clean exception handling...
Java 17 Switch Statement: Pattern Matching and Expression Support
Java 17 continues to evolve the language’s syntax, making code more concise and expressive. One of the key improvements is the...
Extracting Complex XML Elements and Attributes Using XPath in Java
XPath (XML Path Language) is a query language that lets you navigate and extract elements, attributes, and values from an XML...
A Complete Guide to Spring Data Annotations (with Examples)
Spring Data simplifies data access and repository implementation by eliminating boilerplate code. At the core of Spring Data JPA are a...
Using Swagger in a Spring Boot Application (with Full Example)
Swagger is a powerful tool for documenting RESTful APIs. It provides an interactive interface to explore and test endpoints, making it...
Spring Boot Actuator: Detailed Guide with Full Examples
Spring Boot Actuator is a powerful tool that helps you monitor and manage your Spring Boot applications. It exposes production-ready features...
How to Use @Autowired in Spring Framework
In Spring, the @Autowired annotation is one of the most powerful and widely used features for dependency injection. It allows Spring...
Integrate AWS SQS with Java Using Spring Cloud AWS (Including FIFO & DLQ Support)
In this tutorial, you’ll learn how to build a Spring Boot application using Spring Cloud AWS to interact with Amazon SQS,...
Event-Driven Architecture with AWS Lambda & Amazon SQS Java
Using AWS Lambda to process messages from Amazon SQS is a powerful serverless pattern that allows you to scale seamlessly and...