Welcome to JSFeeds
hello.js
NEW !!!
Wednesday, 2 November, 2022 UTC
Handling of Versions of TechZone Toolkit Modules
With the TechZone Accelerator Toolkit IBM software, open source projects and custom applications can easily be deployed to various clouds. This article explains how to ensure that the right versions of modules are deployed. In an earlier blog I introduced ... moreFriday, 18 March, 2022 UTC
Importing Go Modules in Kubernetes Operators
When developing Kubernetes Operators with Golang, often third party modules need to be used. This article describes how to import modules and how to publish your own ones. Let’s take a look at the definitions of modules and packages. Modules are how ... moreTuesday, 22 February, 2022 UTC
Containerizing Web Applications
Applications and microservices should be developed in a way that they can be deployed to different environments. This article describes how to apply this principle to web applications running in containers. The third factor of The Twelve-Factor App describes ... moreMonday, 10 May, 2021 UTC
Using CORS for OpenShift Applications
When starting to develop microservices and micro frontends, often CORS needs to be used to load web resources from different domains. Read on to learn how to enable CORS in Quarkus and Open Liberty applications as well as in web applications hosted via ... moreMonday, 10 May, 2021 UTC
Deploying Nginx on OpenShift
Many web applications use Nginx as web server to host web resources like HTML and JavaScript. This article describes a mechanism to deploy Nginx on OpenShift, the Kubernetes distribution for enterprises. OpenShift extends Kubernetes with additional capabilities. ... moreTuesday, 23 February, 2021 UTC
Developing loosely coupled Micro Frontends via RxJS
My last article Developing Micro Frontends with Single-Spa explained how to break down monolithic web applications in micro frontends using single-spa. In order to ensure loosely coupling between the micro frontends, I’ve used RxJS in my sample application. ... moreMonday, 22 February, 2021 UTC
Developing Micro Frontends with Single-Spa
In the process of building new or modernizing older applications, backend functionality is often broken down in multiple microservices. Without modular frontends though, applications often don’t gain the benefits of modern cloud native architectures ... moreMonday, 22 February, 2021 UTC
Using Micro Frontends in Microservices based Architectures
One of the advantages of microservices based architectures is that parts of applications can be updated independently from each other. However, in the process of modularizing applications the frontends are often forgotten. While backend functionality ... moreWednesday, 17 February, 2021 UTC
Using Quarkus for building reactive Applications
When building applications and microservices for container environments like Kubernetes and OpenShift, efficient usage of resources is key. Similarly to popular frameworks like Node.js/JavaScript, the open source Java framework Quarkus comes with capabilities ... moreThursday, 23 July, 2020 UTC
Securing Vue.js Applications with Keycloak
I’ve built a new sample that leverages Keycloak to do authentication and authorization in Vue.js and Quarkus applications. This article describes how to authenticate users in Vue.js web applications. Get the code from GitHub. My sample contains a web ... moreMonday, 20 January, 2020 UTC
Development of Reactive Applications with Quarkus
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, ... moreThursday, 16 January, 2020 UTC
Podcasts about Cloud-Native-Starter Open Source Project
I had the pleasure to get interviewed in two airhacks.fm podcasts by Java guru Adam Bien. It was a lot of fun. The first podcast #63 NodeJS, MicroProfile and Java Cloud Native Starter was primarily about my career. In the second one #66 Kubernetes, OpenShift, ... moreTuesday, 1 October, 2019 UTC
Developing serverless Applications with Quarkus
In the first part of this article I explain the amazing technologies Quarkus and Knative. In the second part I describe how to write simple microservices with Quarkus in Visual Studio Code in just a few minutes. In the last part I walk you through the ... moreFriday, 9 August, 2019 UTC
Deploying MicroProfile Microservices with Tekton
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. What is Tekton? Kubernetes is the de-facto standard for running ... moreThursday, 8 August, 2019 UTC
Deploying Applications to IBM Cloud Kubernetes via Tekton
This article describes Tekton, an open-source framework for creating CI/CD systems, and explains how to deploy and use it on the IBM Cloud Kubernetes service. What is Tekton? Kubernetes is the de-facto standard for running cloud-native applications. ... moreThursday, 4 July, 2019 UTC
Setting up a cloud-native Sample App on Minishift in an Hour
My colleague Harald Uebele and I have developed an end-to-end sample application to help developers to get started with developing microservices and deploying them to Kubernetes. We have documented how to run this application on Minikube and the IBM ... moreMonday, 24 June, 2019 UTC
Free and self paced workshop: How to develop microservices with Java
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 ... moreMonday, 20 May, 2019 UTC
Authorization in Microservices with MicroProfile
I’ve been working on an example that demonstrates how to get started with cloud-native applications as a Java developer. The example is supposed to be a full end-to-end sample application which includes the topis authentication and authorization, since ... moreTuesday, 9 April, 2019 UTC
Authorization in Cloud-Native Apps in Istio via OpenID
My colleague Harald Ueble and I are working on a repo to help especially Java developers getting started with cloud-native applications. By doing this we have learned a lot ourselves. The topic, that has been the most time consuming one for me to figure ... moreMonday, 8 April, 2019 UTC
Authenticating Web Users with OpenID and JWT
As some of my readers will know, I’m working on a cloud-native-starter repo that demonstrates how to start building cloud-native applications with Java EE and Istio. One of the required core features for most applications is authentication and authorization. ... moreWednesday, 27 March, 2019 UTC
Sample Application demonstrating Istio Traffic Management
Istio is an open source service mesh to connect and control microservices in cloud native applications running on Kubernetes. One of the key features is traffic management for A/B testing, canary rollouts and blue-green deployments. My colleague Harald ... moreFriday, 15 March, 2019 UTC
Memory Usage of OpenWhisk Functions
Last week Red Hat introduced the open source framework Quarkus which promises fast boot times and low memory usages. This makes Quarkus interesting for Java workloads running as serverless functions. I’ve done a little experiment to compare how much ... moreTuesday, 12 March, 2019 UTC
Serverless Java Functions with Quarkus and OpenWhisk
Quarkus is a “next-generation Kubernetes native Java framework” which is available as open source. Quarkus promises fast boot times and low memory usages. This makes Quarkus a perfect fit for Java workloads running as microservices on Kubernetes as well ... moreMonday, 11 March, 2019 UTC
Developing resilient Microservices with Istio and MicroProfile
As stated in the reactive manifesto cloud-native reactive applications need to be resilient: The system stays responsive in the face of failure. This applies not only to highly-available, mission-critical systems – any system that is not resilient will ... moreTuesday, 19 February, 2019 UTC
Developing and debugging Microservices with Java
Kubernetes has become the de facto standard for deploying and managing containerized applications in public, private and hybrid cloud environments. While Kubernetes is really powerful, it’s not the easiest way for developers to deploy applications. To ... moreWednesday, 30 January, 2019 UTC
Blue Cloud Mirror Architecture Diagrams
Blue Cloud Mirror is a game where players need to show specific emotions and do specific poses. In this article I describe briefly the used technologies. You can play the game online. All you need is a webcam and a Chrome browser. The game uses key technologies ... moreTuesday, 29 January, 2019 UTC
Three awesome TensorFlow.js Models for Visual Recognition
Last week I open sourced a web application called Blue Cloud Mirror which is a game where players need to show five specific emotions and do five specific poses in two levels. The faster, the better. You can play the game online. It only takes a minute. ... moreMonday, 28 January, 2019 UTC
Serverless Vue.js Applications on the IBM Cloud
Recently I open sourced sample code that shows how to develop entire serverless web applications on the IBM Cloud with Apache OpenWhisk. In the original sample I used an Angular application. In this article I describe how to deploy Vue.js applications ... moreFriday, 25 January, 2019 UTC
Awesome Developer Experience with Vue.js
Last month I started to work on a new demo (Blue Cloud Mirror) which highlights some of the IBM Cloud capabilities. Part of the demo is a web application. Since I had heard so many good things about Vue.js, I decided to give Vue.js a try. To summarize, ... moreFriday, 7 December, 2018 UTC
