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Tag Archives: Kubernetes

Kubernetes: An Introduction

Introduction: In this tutorial, we’ll introduce you to Kubernetes and will discuss its architecture. As a prerequisite, it’s good to have some basic knowledge of the container world. Kubernetes & its Architecture: Kubernetes, popularly known as K8s, is an open-source container orchestration engine for microservices-based containerized applications. A K8s cluster comprises of a master and multiple worker nodes: The master ...

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Spring Boot Microservices , Docker and Kubernetes workshop – part3

In the previous posts we build few micro services (Order Service, Product Service, Customer Service) for an order management system using Docker and Spring Boot. We used Netflix libraries to manage, discover and load balance the micro services. Managing these micro services and their multiple containers could get a bit tricky; especially in terms of Scalability, Observability, Security, Monitoring and ...

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[Upcoming Webinar] Troubleshooting Kubernetes: The 7 Key Components You Need to Have

In case you haven’t heard, containers are eating the world. This shift is transforming everything we’ve ever known about developing, delivering and maintaining our applications – particularly when it comes to resolving errors. With so many moving pieces, getting to the bottom of critical issues lurking in your Kubernetes-based apps can feel impossible. Traditional methods of troubleshooting – like sifting ...

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Service Mesh and Cloud-Native Microservices with Apache Kafka, Kubernetes and Envoy, Istio, Linkerd

Microservice architectures are not free lunch! Microservices need to be decoupled, flexible, operationally transparent, data aware and elastic. Most material from last years only discusses point-to-point architectures with tightly coupled and non-scalable technologies like REST / HTTP. This blog post takes a look at cutting edge technologies like Apache Kafka, Kubernetes, Envoy, Linkerd and Istio to implement a cloud-native service ...

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Exploring Deployment Strategies In Kubernetes

This time I will not write a lenghtly post. Instead, I’ll try to explain different deployment strategies through diagrams. This is for all those who dislike black and white terminal and prefer colors, boxes, and lines with arrows. The deployment strategies are not presented in any particular order. Serverless Deployments With Knative The flow of a request with API gateway ...

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Configuring and using AWS EKS in production

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Its been some weeks now that our migration to Amazon EKS (work place) is completed and the clusters are in production. I have written a brief in the past on some major points, you can find it here. With some extra confidence while the system is serving real traffic I decided to come back for a more concrete and thorough ...

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Hot-deploying into Kubernetes using Telepresence & WAD

java-interview-questions-answers

When you’re testing your enterprise application in a Kubernetes environment, the turnaround for changing, re-packaging, and re-deploying your application can become quite high. Telepresence aims to mitigate this, by proxying a locally running process into our Kubernetes cluster, as if the local process were part of the cluster. If we combine that approach with a hot-redeploy tool such as WAD ...

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The Kubernetes Spark operator in OpenShift Origin (Part 1)

This series is about the Kubernetes Spark operator by Radanalytics.io onOpenShift Origin. It is an Open Source operator to manageApache Spark clusters and applications.In order to deploy the operator on OpenShift Origin, the first time you need to clone the GitHub repository for it: git clone https://github.com/radanalyticsio/spark-operator.git Then login to the cluster using the OpenShift command-lineoc: oc login -u <username>:<password> ...

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