@jayavelrajan

Building a Complete CRUD API with Spring Boot and H2 Database

Jun 1, 2025 · 3 min read · Building a CRUD (Create, Read, Update, Delete) API is one of the foundational skills every backend developer should master. In this tutorial, we’ll walk through building a full-fledged CRUD REST API using Spring Boot and the in-memory H2 database. Th...

Scaling Java Microservices on AWS with Spring Boot and Docker

May 19, 2025 · 3 min read · As modern applications grow in complexity, scalability becomes a critical factor in ensuring performance, availability, and reliability. In this blog, we’ll explore how to scale Java-based microservices using Spring Boot, Docker, and AWS — a powerful...

Spring Boot Security: Implementing OAuth2 Authentication with AWS Cognito

Apr 14, 2025 · 3 min read · In today’s cloud-native applications, secure authentication and authorization are essential. AWS Cognito offers a scalable and fully managed identity provider, making it a great choice for integrating OAuth2 into your Spring Boot applications. In thi...

Integrating AWS S3 with Spring Boot for File Uploads and Downloads

Mar 18, 2025 · 3 min read · Amazon S3 (Simple Storage Service) is a widely-used cloud storage service that allows developers to store and retrieve any amount of data at any time. In this tutorial, we’ll walk through how to integrate AWS S3 with a Spring Boot application to hand...

Deploying Spring Boot Applications on AWS Elastic Beanstalk

Feb 11, 2025 · 4 min read · If you're a Java developer, you’ve probably built powerful backend applications using Spring Boot. But once your app is ready, how do you deploy it to a scalable cloud environment with minimal hassle? Enter AWS Elastic Beanstalk — a Platform as a Ser...