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    • Detect API changes before k8s cluster upgrades ✅

      Posted on March 4, 2024

      Upgrading Kubernetes clusters is not always easy, even when you use managed Kubernetes platforms. One of the main issues we might encounter is API deprecations from one Kubernetes version to another. Normally, the API changes are announced and marked as deprecated for several versions before getting removed. But let’s be... [Read More]
      Tags:
      • kubernetes
      • EKS
      • containers

    • Karpenter vs Cluster Autoscaler ☸️

      Posted on January 4, 2022

      Getting the size of a Kubernetes cluster right is not an easy task, if the number of nodes provisioned is too high, resources might be underutilized and if it’s too low, new workloads won’t be able to be scheduled in the cluster. [Read More]
      Tags:
      • kubernetes
      • cloud
      • autoscaler

    • Cluster-wide registry authentication 🌐🔐

      Posted on December 13, 2021

      Using private container image registries is a common practice in the industry, as it ensures applications packaged within the images are just accessible for users which hold the right set of credentials. Besides, in some cases, using credentials for some registries helps overcoming pull rate limitations, for example when using... [Read More]
      Tags:
      • docker
      • image
      • k8s
      • kubernetes

    • Kaniko: Building images without Docker🐳🔫

      Posted on November 4, 2021

      Building container images is a pretty common stage within the modern CI flows, in which these images are the main artifact used to distribute and run apps. Building images in a “classic” way implies using docker as a daemon and the docker CLI. This approach can be easily implemented in... [Read More]
      Tags:
      • cicd
      • docker
      • kubernetes

    • Kubernetes in 5 Minutes ⏱️☸️

      Posted on March 17, 2021

      English [Read More]
      Tags:
      • devops
      • kubernetes

    • Ksniff: packet capture at pod level for k8s 🕵️‍♂️📦

      Posted on January 20, 2021

      Troubleshooting containers in Kubernetes is a recurring topic that you may face regularly. Logging and monitoring tools come in really handy here as they help you better understanding what is going on in the cluster or in the containers itself. Besides, it is possible to get valuable insights with the... [Read More]
      Tags:
      • devops
      • kubernetes

    • Helmfile: turbocharging Helm ☸️🔧

      Posted on December 16, 2020

      Helm is definitely one the most used tools in the Kubernetes world. It comes in pretty handy as it is a deployment tool, a package manager and a templating tool which can help customizing the behavior of application releases based on the values used. Plus, it offers ideal features for... [Read More]
      Tags:
      • helm
      • kubernetes

    • Terraboard: Graphic Terraform state manager🌍🖥

      Posted on November 18, 2020

      Dealing with multiple terraform remote states can become a rather complex task. Besides, querying resources with terraform CLI isn’t very visual 😅. In this post we will present Terraboard, an open source tool developed by Camptocamp that solves these issues. [Read More]
      Tags:
      • aws
      • iac
      • terraform

    • eksctl: the EKS CLI ☸️ 🎮

      Posted on October 6, 2020

      Let’s be honest, managing Kubernetes clusters is not an easy task, even when it comes to managed Kubernetes services. Controlling the overall infrastructure, performing cluster upgrades and tracking the configuration of each cluster can really become a challenge. Infrastructure as Code (IaC) comes in handy here, with declarative languages such... [Read More]
      Tags:
      • aws
      • devops
      • kubernetes

    • Werf: Fully customizable GitOps 🛥️⚙️

      Posted on September 1, 2020

      This is the third post of a collection of GitOps tools articles. In this post, a continuous integration and continuous deployment tool for Kubernetes is reviewed: Werf. If you missed previous articles on GitOps tools, you could give them a read, as it will help you better understanding the general idea.... [Read More]
      Tags:
      • devops
      • gitops
      • kubernetes

    • Pulumi: Multi-Platform Multi-Language IaC 📚🏗️

      Posted on July 28, 2020

      This is the second article on Infrastructure as Code using well-known programming languages. The first one was focused on the AWS CDK. In this post, we will introduce Pulumi, a similar tool which offers multi-cloud support. [Read More]
      Tags:
      • aws
      • azure
      • gcp
      • iac
      • kubernetes

    • AWS CDK: Dev-like IaC 🖥️🏗️

      Posted on July 13, 2020

      Infrastructure as Code (IaC) is one of the biggest revolutions in the cloud computing landscape, as it allows automating the deployment of infrastructure based on its definition in the source code. Using code as the source of truth for infrastructure has several benefits: [Read More]
      Tags:
      • aws
      • devops
      • iac

    • Kops: deploying Kubernetes programatically ☸️🕹️

      Posted on June 4, 2020

      Setting up a Kubernetes cluster from scratch can be challenging, specially if you don’t use managed Kubernetes services and you need to guarantee High Availability. Kops (Kubernetes Operations) is an open source tool which helps to set up, upgrade and manage ‘non-managed’ Kubernetes Clusters on top of public cloud providers.... [Read More]
      Tags:
      • kops
      • kubernetes

    • Debugging with ephemeral containers in K8s 🔲🔳

      Posted on May 30, 2020

      [Read More]
      Tags:
      • devops
      • kubernetes

    • GitOps Strikes Back: FluxCD 📟☸️

      Posted on May 24, 2020

      [Read More]
      Tags:
      • gitops
      • kubernetes

    • GitOps: ArgoCD and Helm🤖☸️

      Posted on May 13, 2020

      This is the first post of a collection of GitOps tools articles. In this post, a continuous deployment tool for Kubernetes is reviewed: ArgoCD. If you missed previous articles on Kubernetes deployments and Helm, give them a read before going through this one, as it will help you better understanding... [Read More]
      Tags:
      • devops
      • gitops
      • kubernetes

    • Building AMIs: Packer and Image Builder⚙️📦

      Posted on April 24, 2020

      Cloud environments call for dynamic and flexible computing, meaning that fleets of virtual machines can be scaled up and down depending on the load. These machines need a consistent, repeatable and standardized way of setting the startup images and its configuration for the applications that run on them. Pre-built virtual... [Read More]

    • Helm: Making Kubernetes even better☸️📦

      Posted on April 6, 2020

      In a previous post, we discussed how to deploy a simple application in Kubernetes, and yet being ‘simple’ we could notice how many different pieces were needed to make a deployment run successfully. Every one of these single pieces can be placed on a separate configuration file to make it... [Read More]

    • Understanding k8s Deployments☸️💡

      Posted on March 18, 2020

      If you have already deployed complex applications in Kubernetes, you may have noticed how many different resources you need to deploy and interconnect just to make them work (and thus, this post is going to be just too easy for you). If you’re new to Kubernetes, this post will help... [Read More]
      Tags:
      • deployment
      • k8s
      • kubernetes

    • Kubernetes: Why, When and How.

      Posted on February 27, 2020

      Kubernetes, is undoubtedly one the most disruptive tools/technologies that we have seen during the last years within the IT world. Alongside containers and the underlying runtimes, it is redefining the way in which software is built, tested and deployed into production. Although it is more complex to set up and... [Read More]
      Tags:
      • containers
      • kubernetes
      • microservices
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    Miguel Fontanilla  •  2024  •  kubesandclouds.com