Configuring Keycloak Database

This tutorial will show you three different ways to configure a different database for your Keycloak server. Let's check it out!

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Running Keycloak with Docker

Keycloak's latest Docker image is available on the quay.io Docker repository. Let's see in this tutorial how we can boot it with Docker, using some common environment parameters.

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Getting started with Quarkus

[Updated with the release of Quarkus 1.0.0.Final] Welcome to Quarkus, the lastest project for supersonic Java! Quarkus features a Cloud Native, Container first, Microservice ready framework for writing Java applications based on the standards and frameworks you are using today (Hibernate, RESTEasy, Camel, Vert.X etc).

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Getting started with Jakarta EE

As most of you probably know, the Java EE was migrated from Oracle to the Eclipse Foundation, and it is now called Jakarta EE, under the Eclipse Enterprise for Java (EE4J) project. There are already a list of application servers which offer a Jakarta EE 8 compatible implementation such as WildFly 18. In this tutorial we will learn how to bootstrap a Jakarta EE project.

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MicroProfile CLI Cheatsheet

Here is a MicroProfile CLI Cheatsheet that can be used to kickstart your Microprofile projects.

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Getting started with MicroProfile FaultTolerance API

The Microprofile Fault Tolerance specification has been specifically built to make your microservices to common failures like network problems or an IOException.

In this tutorial we will learn how to use some patterns like @Timeout, @Retry, @Fallback and @CircuitBreaker policies to drive an alternative result when an execution does not complete successfully.

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Securing Quarkus with Elytron Database Realm

Quarkus security includes several extensions from Elytron. In this tutorial we will learn how to use the Database Realm Authentication with a simple REST Service.

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Openshift cheatsheet

Here is a comprehensive Openshift CLI cheatsheet for Developers/Administrators.

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Getting started with Apache Kafka and WildFly

This tutorial will teach you how to install a Resource Adapter for Apache Kafka on WildFly so that you can Produce and Consume streams of messages on your favourite application server!

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Keycloak OAUTH2 example with a REST Application

This article will guide you through understanding OAuth2 and OpenID usage with Keycloak using a JAX-RS filter named ContainerRequestFilter which is available in JAX-RS servers such as Thorntail or WildFly.

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Keycloak quickstart example

In this tutorial we will learn how to create a quickstart Java EE application secured with Keycloak using its command line interface (kcadm).

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  1. Configuring Ranked Load Balancing in WildFly
  2. From Java EE to Jakarta EE with WildFly
  3. JAX-RS Cheatsheet
  4. Installing Kogito BPMN plugin for Chrome
  5. Getting started with Kogito Business Automation
  6. Building a Maven archetype for a Java Enterprise Project
  7. REST Services cURL cheatsheet
  8. Deploy your Spring Boot applications on Openshift
  9. Gradle tutorial for WildFly users
  10. Performing a FlyWay migration with Quarkus and Thorntail
  11. Clustering WildFly on Openshift using WildFly Operator
  12. Getting started with FlyWay Database Migrations
  13. Configuring Undertow server in Quarkus
  14. 2 Ways to run Thorntail applications on Openshift
  15. 3 ways to create Microprofile applications