My Tech Blog

About Me

Fri, 17 Jul 2026 13:06:31 +0000

K. Siva Prasad Reddy

I am a software engineer, architect, trainer, and technical content creator. I have been building software professionally since 2006, with most of my work centered around Java, Spring Boot, distributed systems, and backend engineering.

I enjoy taking complex technical ideas and explaining them through practical examples. That is the main reason behind SivaLabs: sharing tutorials, opinions, and learning resources that help developers build better applications with confidence.

Getting Started with Spring Boot 3

Mon, 15 May 2023 00:00:00 +0000

Spring Boot 3.0 is a major release that brings a lot of new features and improvements. In this article, we’ll explore how to get started with Spring Boot 3 and what’s new in this version.

Prerequisites

Before we begin, make sure you have the following installed:

Java 17 or higher
Maven 3.6+ or Gradle 7.5+
Your favorite IDE (IntelliJ IDEA, Eclipse, VS Code)

Key Features in Spring Boot 3

Java 17 baseline
Jakarta EE 9+ support
Native compilation support with GraalVM
Improved observability with Micrometer and OpenTelemetry

Create the Application

Create a Spring Boot project with the spring-boot-starter-web dependency, then add a small REST controller. Spring Boot discovers the controller automatically when it is below the application class package.

Building Microservices with Spring Cloud

Sat, 22 Apr 2023 00:00:00 +0000

Microservices architecture has become increasingly popular for building complex applications. Spring Cloud provides a suite of tools to help you build and manage microservices effectively.

What is Spring Cloud?

Spring Cloud provides tools for developers to quickly build common patterns in distributed systems.

Key Components

Service Discovery with Eureka

Eureka is a service registry that allows microservices to find and communicate with each other without hardcoding the hostname and port.

Docker for Java Developers

Fri, 10 Mar 2023 00:00:00 +0000

Docker has revolutionized how we develop, test, and deploy applications. For Java developers, Docker offers a consistent environment across development, testing, and production.

Getting Started with Docker

Before diving into Docker for Java applications, make sure you have Docker installed on your machine.

Dockerizing a Spring Boot Application

Let’s look at how to containerize a Spring Boot application:

FROM eclipse-temurin:17-jdk-alpine
VOLUME /tmp
COPY target/*.jar app.jar
ENTRYPOINT ["java","-jar","/app.jar"]

Conclusion

Docker simplifies the development, testing, and deployment of Java applications by providing consistent environments and isolation.

Exploring Java 17 Features

Sat, 18 Feb 2023 00:00:00 +0000

Java 17 is the latest Long-Term Support (LTS) release of Java, bringing several new features and enhancements to the language.

Key Features in Java 17

Sealed Classes
Pattern Matching for switch (Preview)
Foreign Function & Memory API (Incubator)
Enhanced Pseudo-Random Number Generators

Conclusion

Java 17 continues to evolve the platform with features that improve developer productivity and application performance.

Kubernetes for Beginners

Wed, 25 Jan 2023 00:00:00 +0000

Kubernetes has become the de facto standard for container orchestration. This guide will help beginners understand the key concepts and get started with Kubernetes.

What is Kubernetes?

Kubernetes is an open-source platform for automating deployment, scaling, and management of containerized applications.

Key Concepts

Pods
Services
Deployments
ConfigMaps and Secrets

Conclusion

Kubernetes provides powerful tools for managing containerized applications at scale.

Implementing OAuth2 with Spring Security

Sat, 10 Dec 2022 00:00:00 +0000

OAuth2 is a widely used protocol for authorization. Spring Security provides excellent support for implementing OAuth2 in your Spring Boot applications.

OAuth2 Basics

OAuth2 is an authorization framework that enables third-party applications to obtain limited access to a user’s account on an HTTP service.

Implementation with Spring Security

Spring Security makes it easy to implement OAuth2 in your Spring Boot applications.

Conclusion

OAuth2 with Spring Security provides a robust solution for authentication and authorization in modern applications.

Building Serverless Applications with AWS Lambda and Java

Sat, 05 Nov 2022 00:00:00 +0000

Serverless computing allows you to build and run applications without thinking about servers. AWS Lambda is a popular serverless platform that supports Java.

What is AWS Lambda?

AWS Lambda is a serverless compute service that runs your code in response to events and automatically manages the underlying compute resources for you.

Building Lambda Functions with Java

Java is a supported language for AWS Lambda, allowing you to leverage your existing Java skills in serverless applications.