Application Modernization Resources on IBM Developer

Posted on August 10, 2020September 22, 2020 by Niklas Heidloff

In this short blog I list resources IBM provides around the topic 'Application Modernization' which is a topic that gets more and more important for companies as part of their journey to the cloud and their digital transformation strategy. (more…)

Deploying Quarkus Apps on OpenShift without local Setup

Posted on May 25, 2020 by Niklas Heidloff

This article explains how to deploy Quarkus applications on OpenShift as quickly as possible. All you need is an OpenShift cluster with enough memory. Everything else can be done in the browser. (more…)

Workshops: Reactive Apps with Quarkus and OpenShift

Posted on May 11, 2020May 12, 2020 by Niklas Heidloff

In the context of cloud-native applications the topic 'reactive' becomes more and more important, since more efficient applications can be built and user experiences can be improved. If you want to learn more about reactive functionality in Java applications, read on and try out the sample application and the two new workshops. (more…)

Deploying MicroProfile Microservices with Tekton

Posted on August 8, 2019August 8, 2019 by Niklas Heidloff

This article describes Tekton, an open-source framework for creating CI/CD systems, and explains how to deploy microservices built with Eclipse MicroProfile on Kubernetes and OpenShift. (more…)

Recording of Jakarta Tech Talk ‘How to develop Microservices’

Posted on July 10, 2019 by Niklas Heidloff

Yesterday I presented in a Jakarta Tech Talk 'How to develop your first cloud-native Applications with Java'. Below is the recording and the slides. (more…)

How to develop Open Liberty Microservices on OpenShift

Posted on July 4, 2019 by Niklas Heidloff

Open Liberty is a flexible Java application server. It comes with Eclipse MicroProfile which is a set of tools and APIs to build microservices. With these technologies I have created a simple hello world microservice which can be used as template for your own microservices. In this article I describe how to deploy it to OpenShift. (more…)

Source to Image Builder for Open Liberty Apps on OpenShift

Posted on June 25, 2019June 25, 2019 by Niklas Heidloff

OKD, the open source upstream Kubernetes distribution embedded in OpenShift, provides several ways to make deployments of applications to Kubernetes for developers easy. I've open sourced a project that demonstrates how to deploy local Open Liberty applications via two simple commands 'oc new-app' and 'oc start-build'. (more…)

Free and self paced workshop: How to develop microservices with Java

Posted on June 24, 2019June 25, 2019 by Niklas Heidloff

Over the last weeks I've worked on an example application that demonstrates how to develop your first cloud-native applications with Java/Jakarta EE, Eclipse MicroProfile, Kubernetes and Istio. Based on this example my colleague Thomas Südbröcker wrote a workshop which explains how to implement resilient microservices, how to expose and consume REST APIs, how to do traffic management and more. (more…)

Recording of Talk ‘How to develop your first cloud-native Applications with Java’

Posted on June 18, 2019July 25, 2019 by Niklas Heidloff

At WeAreDevelopers Harald Uebele and I gave a 30 minutes talk 'How to develop your first cloud-native Applications with Java'. Below is the recording and the slides. (more…)

How to build and run a Hello World Java Microservice

Posted on June 17, 2019June 25, 2019 by Niklas Heidloff

The repo cloud-native-starter contains an end-to-end sample application that demonstrates how to develop your first cloud-native applications. Two of the microservices have been developed with Java EE and MicroProfile. To simplify the creation of new Java EE microservices, I've added another very simple service that can be used as template for new services. (more…)