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00 - Cloud-Native App Dev

Service Mesh for Developers

The Fallacies of Distributed Computing Many years ago we moved away from monolithic applications and started to develop our app as a network of smaller services, the microservice architecture. This brought many advantages and we finally had fun again developing large business applications. But we were also being introduced to the Fallacies of Distributed Computing […]

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00 - Cloud-Native App Dev Cloud Native Design DevOps github rest api

Full Stack Cloud Native Application: A Feedback Form

Introduction This article is a step by step example, how to develop, build and deploy a cloud native application with its infrastructure components. This cloud native application uses OpenShift as the underlying application platform with following features:  The use case is a feedback form, where users can give their feedback. The repositories for this application […]

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00 - Cloud-Native App Dev

Approaching the Kubernetes Bridge – Multi-container Apps with Rootless Podman

In the year 2023 we celebrate the 10th anniversary of Docker and the 9th anniversary of Kubernetes. Container technology has now become mainstream. But recent advances in the Podman ecosystem prove that innovation in the container world is still happening at a strong pace. Podman 4 was released in February 2022 and brought considerable improvements […]

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00 - Cloud-Native App Dev 00 - Hybrid Cloud Infrastructure 00 - Industry 00 - IT Automation & Management 00 - Next-Gen Architecture, Culture & Processes 00 - Open Source Innovation

Review of 2022

OpenSourcerers 2022 is a wrap! It was packed with interesting articles covering a wide range of topics. There are 52 articles available covering high level topics down to the dirty technical details of using Red Hat’s products and other OpenSource technologies. Your Opensourcerers blog editors followed along of course! As we come from varying backgrounds […]

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00 - Cloud-Native App Dev

Using Quarkus to develop a multiplayer game – Chapter #2 – The server feeds the client

Quarkus is a fantastic Java runtime environment and framework. Read this article to learn how easy it is to use Quarkus to create the server part of a multi player game (with a JavaScript client, running in a browser). Learn how to easily integrate Apache Kafka, WebSockets, a database, Qute templating for reporting etc. This is part TWO of a multi part article series.

Categories
00 - Cloud-Native App Dev 00 - IT Automation & Management

Deliver: Publish your own Operator with Operator Lifecycle Manager and the OpenShift Operator Catalog (4/4)

In Part 4 of our blog series “You’ve written a Kubernetes-native Application? Here is how OpenShift helps you to run, develop, build and deliver it”, we will explain how to deploy our own operator for our sample app “Local News” to OpenShift. The focus of this article is not so much on the development of […]

Categories
00 - Cloud-Native App Dev 00 - Hybrid Cloud Infrastructure 00 - Industry

Securing the integrity of Software Supply Chains

Overview How can we secure the integrity of our Software Supply Chains and have confidence that our software has not been tampered with and can be traced to its source? Which are the main parts of the software supply chain security? Before explaining how to secure the Software Supply Chain, we need first to understand […]

Categories
00 - Cloud-Native App Dev

Using Quarkus to develop a multiplayer game – Chapter #1 – Initial setup

Quarkus is a fantastic Java runtime environment and framework. Read this article to learn how easy it is to use Quarkus to create the server part of a multi player game (with a JavaScript client, running in a browser). Learn how to easily integrate Apache Kafka, WebSockets, a database, Qute templating for reporting etc. This is part ONE of a multi part article series.

Categories
00 - Cloud-Native App Dev

Develop: The Inner Loop with OpenShift Dev Spaces (2/4)

In Part II of our 4-part blog series “You’ve written a Kubernetes-native Application? Here is how OpenShift helps you to run, develop, build and deliver it”, we will focus on the aspect of developing our application with and directly on OpenShift. In Part I, we’ve introduced our sample application “the Local News Application”, and showed […]

Categories
00 - Cloud-Native App Dev 00 - IT Automation & Management 00 - Open Source Innovation

eBPF: More than package filtering… much more.

Let’s face it, eBPF is the hot topic of the day in the Linux and Kubernetes world: at KubeCon EU in Valencia it was hard to find a project not talking about it, and KubeCon US in October will probably be even more intense. And on September 28 and 29 there will be the virtual […]

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