In this article, we'll explore how to authenticate users in Keycloak using a custom User Storage SPI provider. This integration enables seamless authentication and management of users stored in an…
In this tutorial, we'll demonstrate how to use Logstash to sync data from MySQL to Elasticsearch. Logstash is a powerful data processing pipeline that enables you to ingest data from…
In this tutorial, we'll cover creating, reading, updating, and deleting documents (CRUD operations) using Elasticsearch's Java High-Level REST Client in a Spring Boot application. Elasticsearch is a distributed, RESTful search…
Excel, a widely used spreadsheet application, is a powerful tool for data analysis and management. However, sharing Excel files can be challenging due to compatibility issues and the potential for…
In a microservices architecture, managing the dynamic nature of service instances can be challenging. Netflix Eureka, a popular service registry and discovery server, comes to the rescue. In this post, we…
Single-page JavaScript applications, in particular, face a fundamental challenge in ensuring the secret key confidentially. Developers can easily access and expose the client's secret key by inspecting the source code.…
Introduction In Spring applications, effective transaction management is essential to maintain data integrity during database operations. A transaction guarantees that a series of database actions either fully succeed or fail,…
In this article, we'll explore event-driven integration using Apache Kafka to facilitate seamless and efficient communication among microservices. We'll have a hands-on understanding of implementing asynchronous, event-driven communication using Apache…