This article will teach you how to use a YAML configuration to manage your WildFly deployments tasks. This will help you to include in a YAML idempotent configuration also applications.
F.Marchioni
How to export and import Realms in Keycloak
This article discusses about Importing and Exporting Keycloak Realms using the latest product distribution which runs on a Quarkus runtime. We will also learn how to export Keycloak Users by running just a simple command line script.
Keycloak Database User Federation
Keycloak uses a local database by default to manage users. However, many organizations have existing user credentials available in a relational database. This article will teach you how to use Keycloak’s User Storage SPI to federate users from a PostgreSQL Database.
ActiveMQ Artemis CheatSheet
This is my Artemis MQ Artemis Cheatsheet which includes some commandline shortcuts you can use to manage your broker as well as producing and consuming messages and checking their status.
Jakarta EE 10 Application with an Angular Frontend
In this tutorial, we’ll walk through the process of creating a simple Jakarta EE 10 application that exposes a RESTful endpoint to fetch a list of customers. We’ll then build an Angular front end that consumes this endpoint and displays the list of customers in a user-friendly format.
WildFly proxy with reuse-x-forwarded and rewrite-host
WildFly 33 preview allows to configure a Reverse proxy with the capability to propagate the reuse-x-forwarded and rewrite-host options. In this article we will learn what is the effect of enabling these options and how to configure them.
Logging vs. Tracing vs. Metrics: Understanding the Differences
In the realm of software development and system monitoring, three crucial components play a pivotal role in ensuring the smooth operation and maintenance of applications: logging, tracing, and metrics. Each of these elements serves a unique purpose and provides distinct insights into the system’s behavior and performance. Understanding their differences and applications is essential for building robust and efficient monitoring and diagnostic systems.
Testing JPA with TestContainers
Testcontainers is an open-source Java library that simplifies integration testing by providing lightweight, disposable containers for database systems, message brokers, and other third-party services. In this article we will learn how to combine Testcontainer with a JPA/Hibernate Test case.
Using RAG with Langchain4j and Ollama3
Retrieval-Augmented Generation (RAG) is a framework that enhances the capabilities of generative language models by incorporating relevant information retrieved from a large corpus of documents. This combination helps improve the accuracy and relevance of the generated responses. In this article we will learn how to use RAG with Langchain4j.
How to remove the H2 Database in WildFly
WildFly application server ships with a default in-Memory Database, the H2 DB. In this short article we will learn how to remove the H2 Database from WildFly / JBoss configuration correctly.