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
An Overview of Widely Used ReactJS Hooks
ReactJS introduced Hooks in version 16.8, revolutionizing the way developers write functional components. Hooks allow you to use state, lifecycle methods,...
Designing a Scalable Web UI with Microservices Architecture
Microservices have become a go-to architectural style for building robust, scalable, and maintainable systems. When designing a web UI integrated with...
Java 8’s Collectors Class with Practical Examples
Java 8 introduced the java.util.stream.Collectors class, which provides a collection of utility methods for performing mutable reduction operations on elements of...
Circuit Breakers in Spring Boot: Ensuring Resilient Microservices
In distributed systems, failures are inevitable. A downstream service might become unavailable, or a network might experience latency issues. Circuit Breakers...
What is Type Annotations in Java 8
Java 8 introduced Type Annotations, a powerful feature that expands the scope of annotations in Java programming. Previously, annotations could only...
Understand ReactJS Virtual DOM
ReactJS, a popular JavaScript library for building user interfaces, employs a powerful concept known as the Virtual DOM to optimize rendering...
ReactJS Concurrent Rendering for Real-Time Data Visualization
Scenario You’re managing: Concurrent rendering ensures that real-time data updates don’t block user interactions, while filter changes and graph re-rendering are...
Handling Exceptions in Spring Boot with @ControllerAdvice
Introduction In a Spring Boot application, handling exceptions gracefully is crucial for providing meaningful error responses to clients. Instead of writing...
Spring Data JPA example with CRUD
Spring Data JPA is a powerful framework for managing the persistence layer in Java applications. It simplifies database interactions by providing...