Insights

Posts in 2020
  • Integration testing with Testcontainers

    Tuesday, October 27, 2020 in Insights

    Automatic integration tests as part of the development life cycle can save a lot of time and money. Not only when dealing with other service APIs or offering some, also if the application uses a database or other infrastructure services. We at …

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  • OpenShift and Let's Encrypt

    Wednesday, September 16, 2020 in Insights

    So you have this nifty web application deployed on your OpenShift cluster and you want to make it accessible by the whole world with HTTPS under the name coolapp.<mydomain>. Unfortunately you face several issues: Exposing the service to your …

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  • How to add an application to a Red Hat OpenShift Service Mesh

    Friday, August 07, 2020 in Insights

    During a discussion with a customer, we talked about which steps are necessary to add an application to a services mesh. Which should be no big deal. Unfortunately, there is not a simple guideline how to do that for the Red Hat OpenShift Service …

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  • Unofficial guideline to get the latest and greatest version of Kiali in OpenShift

    Monday, May 18, 2020 in Insights

    During this year’s Red Hat Summit I had the chance to get a glimpse of the latest version of Kiali. This version had some nice features, like the traffic flow of the application graph during a time period (Graph replay). It also contains …

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  • Simple example how to use Istio and Keycloak

    Thursday, May 07, 2020 in Insights

    Some time ago, I did a webinar about the RedHat Service Mesh, which is based on Istio. For this webinar, I prepared a demo application. Among other things, I wanted to show how to do the authentication with JWT token in general and, more specific, …

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  • Debugging Istio

    Thursday, May 07, 2020 in Insights

    In the article, I’m going to describe what we can do, if we configured our application to use Istio, but it is not working like intended. Originally, I wanted to give a detailed description what problems I encountered during the creation of my …

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  • OpenShift 4.3 installation on VMware vSphere with static IPs

    Friday, January 31, 2020 in Insights

    In this article, I will show you how to install Red Hat OpenShift Container Platform 4.3 (OCP) on VMware vSphere with static IPs addresses using the openshift installer in UPI mode and terraform. In contrast to the official OpenShift 4.3 install …

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  • Installing MongoDB on OpenShift

    Tuesday, January 14, 2020 in Insights

    So here is another one of our series Installing Blahblahblah on OpenShift. This time it is about getting MongoDB to run on OpenShift - the way recommended and promoted by the MongoDB guys. The whole setup is still in beta stage as indicated on these …

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Posts in 2019
  • CodeReady Containers on Ubuntu

    Friday, November 29, 2019 in Insights

    With the release of OpenShift 4.x Red Hat left no stone unturned (compared to previous 3.x versions). Among many things Minishift became Red Hat CodeReady Containers. Having been a big fan of Minishift I recently wanted to give CodeReady Containers …

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  • Introduction to AWS CDK

    Monday, November 04, 2019 in Insights

    AWS Cloud Development Kit (CDK) is a relatively new kid on the block. It is a tool for defining Infrastructure as Code (IaC) and is considered to be the future successor of AWS CloudFormation. This article overviews the IaC approach, introduces a …

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