Reactive programming is a paradigm that deals with asynchronous data streams and the propagation of change. In this tutorial, we'll focus on building a simple Spring WebFlux application with R2DBC for interacting with a MySQL database reactively. Prerequisites: JDK 11 or later installed. Maven or Gradle for project management. MySQL database server installed and…
GraphQL is a query language for APIs, and it's a powerful alternative to REST. Spring Boot, combined with the Spring GraphQL module, makes it easy to create GraphQL-based APIs. Prerequisites: Basic knowledge of Spring Boot and Java. JDK 8 or later installed on your machine. An Integrated Development Environment (IDE) such as IntelliJ IDEA…
Introduction In this tutorial, we will explore how to set up logging in a Spring Boot application using the Elastic Stack, which consists of Elasticsearch for storage, Logstash for processing, and Kibana for visualization. This powerful combination allows for centralized logging, making it easier to monitor and analyze logs from multiple microservices. Prerequisites Java…
1. Introduction Apache Kafka is a distributed event streaming platform that enables you to build real-time streaming applications. In this tutorial, we'll explore how to integrate Kafka with a Spring Boot application. 2. Prerequisites Before you begin, ensure you have the following installed: Java JDK (8 or higher) Apache Kafka (Download from https://kafka.apache.org/downloads) Apache…
Introduction Spring Boot is a popular Java-based framework for building microservices and web applications. OpenFeign is a declarative web service client developed by Netflix for simplifying the process of making HTTP requests. In this tutorial, we'll explore how to integrate and use OpenFeign in a Spring Boot application. Prerequisites Before we start, make sure…
Introduction In this tutorial, we will explore how to integrate Spring Boot with RabbitMQ, a widely used message broker, to build a scalable and loosely coupled microservices architecture. RabbitMQ enables asynchronous communication between different components of a system, allowing for better scalability, fault tolerance, and flexibility. Prerequisites Before starting the tutorial, make sure you…
Introduction Spring WebClient is a non-blocking, reactive web client introduced in Spring WebFlux. It is designed to perform HTTP requests and consume RESTful services efficiently. In this tutorial, we'll explore the basics of using WebClient in a Spring Boot application with practical examples. Prerequisites Before you begin, make sure you have the following: Java…
Introduction Exception handling is a crucial aspect of any application development. In Spring Boot, effective exception handling can improve the overall robustness and reliability of your application. This tutorial will guide you through the process of implementing exception handling in a Spring Boot application. Prerequisites Make sure you have the following installed: Java JDK…
Introduction ActiveMQ is a popular open-source message broker that implements the Java Messaging Service (JMS) API. In this tutorial, we'll explore how to integrate ActiveMQ with a Spring Boot application to facilitate messaging between components. We'll cover the setup of ActiveMQ, integration with Spring Boot, and provide examples of producing and consuming messages using…
Introduction Swagger is a powerful tool for designing, building, and documenting APIs. In this tutorial, we'll explore how to integrate Swagger with a Spring Boot application. Swagger simplifies API development by providing a standardized way to describe and document RESTful APIs. Prerequisites Before we begin, make sure you have the following installed: Java JDK…