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Create a Singleton in a Cluster on WildFly 10

Using a Singleton Service in a cluster is not something completely new concept. In JBoss 6 you could use a SingletonService to decorate a Service such that the service will only ever be started on one node in a cluster at any given time. WildFly 10 brings again to life this service with a fully configurable subsystem which allows fine tuning of the Singleton Service:

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Manage blue-green deployments with Openshift Paas

This tutorial will teach how to use Blue-Green deployments on Openshift Paas in order to create a parallel environment for your applications which can be replaced just by setting a property in your router configuration

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HelloWorld Resource Adapter tutorial

[Updated] In this tutorial we will show how you can create build and deploy an HelloWorld Resource Adapter and deploy it on WildFly 10.

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Helloworld NodeJS on Openshift

NodeJS provides an event-driven and asynchronous platform for server-side JavaScript. In this tutorial we will learn how to create and deploy a minimal Node application into Openshift.

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Accessing Openshift services remotely

In this article we will learn how to connect to services running in Openshift Paas from external clients

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Building a jBPM6 application with SpringBoot

In this article we will show how you can use jBPM 6 runtime engine with a SpringBoot microservices application

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Configure Kie Execution Server on WildFly

  [Updated] This article has been updated to run Kie Execution Server on WildFly 10

What is the KIE Execution Server? The Kie Server is a Java web application that allow us to expose rules and business process to be executed remotely using REST and JMS interfaces. The difference between Kie Server and jBPM Console is that Kie Server is focused in remote execution, while jBPM console offers a complete authoring environment, including process execution features and a remote API.

Read more: Configure Kie Execution Server on WildFly

Swagger quickstart tutorial

Swagger is a popular specification for REST APIs which can be used for a variety of purposes such as:

• Generating an interactive API console to quickly learn about and try the API.
• Generating the client SDK code needed for implementations on various platforms.

Read more: Swagger quickstart tutorial

Consuming messages from a remote WildFly JMS Server

Consuming messages from a remote Wildfly JMS Server can be done in several ways. In this tutorial we will learn all possible approaches and compare the advantages/disadvantages. 

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Using Property files in your Openshift applications

A common need for most application is to store its configuration in an external configuration files. This logic can indeed be pursued also when moving to the cloud, by using a resource named ConfigMap. Let's see how.

Read more: Using Property files in your Openshift applications