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Containers

The latest News and Information on Containers, Kubernetes, Docker and related technologies.

How One Company Accidently Autoscaled to 200 Nodes and Crashed The App

This article is based on a true story. The names of the company and people involved were changed to protect the innocent 🙂 . A few weeks ago, we were contacted by a pretty big e-commerce company. We can’t really share their name but, for the purpose of this story, let’s call them “KubeCorp Inc”. They reached out to us following an edge-case incident they had, which resulted in severe downtime.

Your First Pulumi and Shipa Integration

Typically, Infrastructure-as-Code or IaCs have had their own languages to learn. For example, if leveraging Terraform most likely you came across Terraform’s native syntax, HCL. Though as software engineers we might be more familiar with other languages of choice. Using a general-purpose computer language vs a provider level syntax does unlock the power of the language; anything you can do in the computer language potentially can be additional methods, calls, etc.

Create and Manage Registry Secrets with VMware Tanzu Mission Control

Operators using VMware Tanzu Mission Control can now create and manage image registry secrets. This new feature of Tanzu Mission Control enables people to create image registry secrets in a single namespace and make them available for use by all namespaces in a cluster, providing a single place to manage all registry secrets for that cluster.

Progressive Updates to Cloud Native Apps Using Tanzu Service Mesh Traffic Management

Releasing new features seamlessly with no downtime in a rapidly evolving microservices-based application can be challenging. VMware Tanzu Service Mesh makes this process easier, removing much of the complexity involved with rolling out progressive updates to cloud native apps. Here we explain how it works.

The Top Public Sector Consideration for 2022: Kubernetes Adoption

Kubernetes is one of the most popular platforms for managing and deploying applications built on microservices and containers. For the public sector, deploying pure upstream Kubernetes in offline, air-gapped environments can be a big challenge. Especially when you’re dealing with strict security controls and limited bandwidth, processes, and resources in place to ramp up quickly.

Kubernetes Monitoring: A Beginner's Guide

Kubernetes monitoring involves tracking application performance and resource utilization across cluster components, such as pods, containers, and services. The goal is to gain visibility into the health and security of your clusters. Kubernetes provides built-in features for monitoring, including the resource metrics pipeline that tracks several metrics like node CPU and memory usage and a full metrics pipeline.

Secure Your Software Supply Chain with New VMware Tanzu Application Platform Capabilities

VMware Tanzu Application Platform is a modular, application-aware platform that gives developers a prepaved path to production for building and deploying software on any compliant public cloud or on-premises Kubernetes cluster. Designed to deliver a superior and secure developer experience, it makes the software supply chain even more secure with a suite of features, including vulnerability scanning, a software bill of materials, and image signing, and more.

How a team of 15 developers deploys 4200 times per Month using the Preview Environments

When the CTO of this growing company (freshly acquired by a billion-dollar company) contacted me, he was concerned by the ability of his team to deliver what they committed to for the current year. His main issue was 15 engineers working in the same development environment. Can you imagine developing on the same workstation? Things will get worst as they plan to quadruple their engineering team size in the next 18 months.
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Top 5 Kubernetes Load-Testing Tools and How They Compare

It's not for nothing that Kubernetes is a popular choice for running a cloud workload. It can be a powerful tool for orchestrating your applications. However, one thing that can often be a last thought in a production workflow, or maybe forgotten altogether, is load testing. It might be tempting to think that Kubernetes can handle it all. In many cases it can, but it's always smart to know how much your application can take. After reading this article, you'll be equipped to determine which tools would best serve you for load testing your application.