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Testing and using AWS EKS #kubernetes – findings

Context I have been working in a team where we use kubernetes in production (not the nginx example- the real shit) for 2 years now. I have configured and used Kubernetes clusters from version 1.4.x with tools like kube-aws to 1.6-1.7 configured with kops. Amazon’s EKS is the third breed of kubernetes provisioning solutions that I have the chance to try and this post ...

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AppDev in Cloud – How to put Red Hat Decision Manager in your Cloud

It’s been some time since I last talked with you about business logic engines and using them in your application development cloud architecture. At that time, I showcased running JBoss BRMS in a container on OpenShift Container Platform (OCP). This gives you the cloud experience, one that’s portable across private and public clouds, but on your own local laptop.     ...

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Cloud Happiness – How to install OpenShift Container Platform with new images and templates in just minutes

Since the release of the OpenShift Container Platform  it has been my desire to provide a simple, fully configured and easy to use installation. This installation needs to have the Red Hat Middleware product streams installed (pre-configured container options) and all the extras like source to image and .Net Core containers. Previously I showed you how to install your own ...

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Helm chart to deploy and scale a generic app image

This is a post about a simple helm chart that I have worked on to deploy any generic app image to Kubernetes. The chart is available [here] It tries to solve the issue of having to manage a set of raw Kubernetes resources(deployment,secrets,hpa) and instead letting helm manage these resources. The chart is generic enough that it should be able to ...

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Cloud Native Container Design Principles

Software design principles Principles exist in many areas of life, and they generally represent a fundamental truth or belief from which others are derived. In software, principles are rather abstract guidelines, which are supposed to be followed while designing software. There are fundamental principles for writing quality software such as KISS (Keep it simple, stupid), DRY (Don’t repeat yourself), YAGNI ...

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Docker Trick: Running Containers Efficiently Using A Bash Script

One of the basic problems with running a docker image is that its too easy to spew up multiple instances or containers of the same image. Consider running the following container for instance: docker run -it -e AWS_ACCESS_KEY_ID="test" -e AWS_SECRET_ACCESS_KEY="test" \ --net=host "prahladyeri/testimage:latest" /bin/bash This will start a fresh container instance from image prahladyeri/testimage:latest and you may optionally pass environment ...

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Docker is the best thing to happen to Linux since the GNU bread

Its has become an oft-repeated cliche now that docker has become the latest buzzword, both in DevOps circles as well as the open source community. But being the ever cynic and contrarian, I wasn’t quite convinced of its merits until quite recently, I thought it was just another hype that will come and go like all other things. After all, ...

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