A step-by-step guide to building a React App that uses the WebSocket of the Spring Boot Producer to consume real-time crypto price changes — In this article, we will implement a React application called React Crypto Price Consumer. It will connect to the Crypto Price Producer WebSocket and display the crypto price changes in real-time. You can find the complete code and implementation in the article linked below. …

Creating a Spring Boot Producer to simulate real-time changes in crypto prices, exposed via WebSocket, and a Consumer to consume them — In this article, we will implement a Crypto Price Simulator composed by two Spring Boot applications: Crypto Price Producer and Crypto Price Consumer. The former simulates changes in crypto prices, focusing on BTC, and broadcasts them using WebSocket. The latter connects to the Producer WebSocket to consume and react to…

Step-by-step guide on how to run Alert Producer and Consumer in Minikube (Kubernetes) — In this article, we will demonstrate how to locally set up Minikube (Kubernetes) on our machines and deploy, within it, instances of two Spring Cloud Stream applications: Alert Producer and Alert Consumer. Additionally, we’ll show you how to deploy Kafka and Schema Registry in Minikube, which both Alert Producer and…

Step-by-step guide on how to implement End-to-End testing for Alert Producer and Consumer using Testcontainers — In this article, we will explain how to implement End-to-End (E2E) testing for the two Spring Cloud Stream applications: Alert Producer and Alert Consumer. The applications use Apache Avro as the serialization format for the alerts, and the alert Schema will be managed by a Schema Registry.

Step-by-step guide on how to implement Unit tests for Alert Producer and Consumer using Spring Testing Library — In this article, we will explain how to implement Unit Tests for the two Spring Cloud Stream applications: Alert Producer and Alert Consumer. The applications use Apache Avro as the serialization format for the alerts, and the alert Schema will be managed by a Schema Registry. You can find the…

Step-by-step guide on how to implement the Alert Producer and Consumer that uses Apache Avro serialization format and Schema Registry — In this article, we’ll demonstrate the creation of two Spring Cloud Stream applications: Alert Producer and Alert Consumer. The Alert Producer will emit alerts through an Apache Kafka broker, while the Alert Consumer will be responsible for receiving and processing these alerts. We’ll use Apache Avro as the serialization format…

Step-by-step guide on how to run News Producer and Consumer in Minikube (Kubernetes) — In this article, we will demonstrate how to locally set up Minikube (Kubernetes) on our machines and deploy, within it, instances of two Spring Boot Kafka applications, News Producer and News Consumer. Additionally, we’ll show you how to deploy Kafka in Minikube, which both News Producer and Consumer depends on.

Step-by-step guide on how to configure Cloudevents in News Producer and Consumer apps — In this article, we will explain how to configure Cloudevents in two Spring Boot Kafka applications: News Producer and News Consumer. Briefly, Cloudevents is a specification for describing event data in common formats to provide interoperability across services, platforms and systems. You can find the complete code and implementation in…

Step-by-step guide on how to configure Distributed Tracing with Zipkin in News Producer and Consumer apps — In this article, we will explain how to configure distributed tracing with Zipkin in two Spring Boot Kafka applications: News Producer and News Consumer. A brief explanation of distributed tracing and Zipkin: Distributed tracing is a method to monitor and understand how requests move through a distributed application, aiding in…