Open Sourcerers
Foto Source: Ron Lach (www. pixels.com) Option: HTTP Query Param In Part 2 of our 7-part blog series “How to secure microservice applications with role-based access control”, we will build the basic services and establish a connection. Later, we are going to implement a basic Role-based Access Control (RBAC) by transmitting the role information via […]
Foto Source: Life of Pix (www.pixels.com) Role-based Access Control (shortly RBAC) is one of the first things that come to mind if you think about security. But how can you do this consistently, without overburdening developers and IT-operation? And how can this be done in the context of micro-services architectures or – more generally speaking […]
Target group: If you are a solution architect or consultant looking for some references of distributed data messaging solutions at a high level, this is an article for you. As well, if you are experiencing significant growth at your company and your messaging system is struggling to handle the volume of traffic, you experience frequent […]
Sometimes things happen, and then you need to jump in. You might have deducted from a couple of our posts in the past, mainly around Year-End, that we have a couple of Chief-Editors for this weekly publication. And as there also sometimes someone needs to be the Chief of the Chiefs, we decided, that I […]
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 […]
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 […]
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 […]
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 […]
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.
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 […]