In this article we are going to consider the two most common methods for Autoscaling in EKS cluster: Horizontal Pod Autoscaler (HPA)Cluster Autoscaler (CA)The Horizontal Pod Autoscaler or HPA is a Kubernetes component that automatically scales your service based on metrics such as CPU utilization or others, as...
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IntroOrganizations are increasingly looking to containers and distributed applications to provide the agility and scalability needed to satisfy their clients. While doing so, modern enterprises also need the ability to benchmark their application and be aware of certain metrics in relation to their infrastructure. In this post, I am introducing...
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IntroThere are many challenges that engineering teams face when attempting to incorporate a multi-cloud approach into their infrastructure goals. Kubernetes does a good job of addressing some of these issues, but managing the communication of clusters that span multiple cloud providers in multiple regions can become a daunting task for...
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The Ghost blogging platform offers a lean and minimalist experience. And that's why we love it. But unfortunately sometimes, it can be too lean for our requirements. Web performance has become more important and relevant than ever, especially since Google started including it as a parameter in its SEO rankings....
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IntroIf you've spent days (or even weeks?) trying to spin up a Kubernetes cluster for learning purposes or to test your application, then your worries are over. Spawned from a Kubernetes Special Interest Group, KIND is a tool that provisions a Kubernetes cluster running IN Docker. From the docs: kind...
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In a previous article, we discussed KUDO and the benefits of it when you want to create or manage Operators. In this article we will focus on how to start to work with KUDO: Installation, using a predefined Operator and create your own one. Installing KUDO To install KUDO the...
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IntroSo, let's say you had a service or application that was built on an orchestration platform such as Kubernetes. In doing so, you must also address an overflowing array of architectural issues, including security, multi-tenancy, API gateways, CLI, configuration management, and logging. Wouldn't you like to save some manpower and...
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TL;DR This article explores how we can reverse engineer Docker images by examining the internals of how Docker images store data, how to use tools to examine the different aspects of the image, and how we can create tools like Dedockify to leverage the Python Docker API to create...
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Buildah is a tool for building OCI-compatible images through a lower-level coreutils interface. Similar to Podman, Buildah doesn't depend on a daemon such as Docker or CRI-O, and it doesn't require root privileges. Buildah provides a command-line tool that replicates all the commands found in a Dockerfile. This allows you...
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OpenFaaS is serverless functions framework that runs on top of Docker and Kubernetes. In this tutorial, you'll learn how to: Deploy OpenFaaS to a Kubernetes clusterSet up the OpenFaaS CLICreate, build, and deploy serverless functions using the CLIInvoke serverless functions using the CLIUpdate an existing serverless functionDeploy serverless functions using...
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