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Tag Archives: Kubernetes

Kubernetes Application – Package Multiple Resources Together

Deploying an application in Kubernetes require to create multiple resources such as Pods, Services, Replication Controllers, and others. Typically each resource is define in a configuration file and created using kubectl script. But if multiple resources need to be created then you need to invoke kubectl multiple times. So if you need to create the following resources: MySQL Pod MySQL Service ...

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WebLogic Server 12.1.3 on Kubernetes

Most of you recall, that I have some little history in Oracle WebLogic server. Coming all the way back from BEA times. I don’t want to comment on recent developments or features or standard support, but one thing is for sure: It is out there and having the chance to run it containerized is something many customers will appreciate. Maybe ...

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Running WildFly on Kubernetes. On Windows. Fabric8!

Have you ever dreamed about running WildFly on OpenShift and leverage the latest Kubernetes features: On Windows? Sounds like blasphemy: Everything about those technologies is screaming GO and Linux. Windows doesn’t seem to be the right fit. But I know, that there are many developers out there, being stuck on Windows. Corporate laptops, easy management and whatever reasons the different ...

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Kubernetes Design Patterns

14,000 commits and 400 contributors (including one tiny commit from me!) is what build Kubernetes 1.0. It is now available! Download here API Docs Kubectl command tool Getting Started Guide Kubernetes Introduction Slides This blog discusses some of the Kubernetes design patterns. All source code for the design patterns discussed below are available at kubernetes-java-sample. Key Concepts of Kubernetes At a very high level, there are three ...

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Scaling Kubernetes Cluster

Automatic Restarting of Pods inside Replication Controller of Kubernetes Cluster shows how Kubernetes reschedule pods in the cluster if one or more of existing Pods disappear for some reason. This is a common usage pattern and one of the key features of Kubernetes. Another common usage pattern of Replication Controller is scaling: The replication controller makes it easy to scale the ...

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Key Concepts of Kubernetes

What is Kubernetes? Kubernetes is an open source orchestration system for Docker containers. It manages containerized applications across multiple hosts and provides basic mechanisms for deployment, maintenance, and scaling of applications. It allows the user to provide declarative primitives for the desired state, for example “need 5 WildFly servers and 1 MySQL server running”. Kubernetes self-healing mechanisms, such as auto-restarting, re-scheduling, and replicating containers then ensure this state ...

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