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

Civo Update - July 2022

In June, we hosted our online meetup with ContainIQ surrounding k8s monitoring and observability. You can catch up on the discussion between Matthew Lenhard (Co-founder & CTO of ContainIQ) and Kai Hoffman (Developer Advocate at Civo) here if you missed it. Meanwhile, Kamesh Sampath from our Developer Advocate demo program explains how Civo’s speed and developer experience is great to work with in our latest Civo Shorts.

Using Argo CD and Kustomize for ConfigMap Rollouts

Kubernetes offers a way to store configuration files and manage them via a ConfigMap. Functionally, they seem very similar to Kubernetes Secrets, where both constructs are used to store information that can be used in a Pod. This information could be usernames and passwords of a connection string to a database.

Docker Container Lifecycle Tutorial | Create, Run, Pause, Stop, Kill

In this tutorial, we will learn about Docker container lifecycle. But first, let me share a personal anecdote. On a hot summer afternoon in 2021, my manager called me out of the blue and said, “Muskan, the project file you shared with me is not working on my machine. Could you please come over and fix the setup? It’s really urgent.” I rushed to his cabin and tried my best but could not fix the dependencies issues.

How to monitor nginx in Kubernetes with Prometheus

nginx is an open source web server often used as a reverse proxy, load balancer, and web cache. Designed for high loads of concurrent connections, it’s fast, versatile, reliable, and most importantly, very light on resources. In this article, you’ll learn how to monitor nginx in Kubernetes with Prometheus, and also how to troubleshoot different issues related to latency, saturation, etc.

BYOCNI: Introducing Calico CNI for Azure AKS

Cloud-native applications running on Kubernetes rely on container network plugins to establish workload communication. While Azure Kubernetes Service (AKS) provides several supported networking options (kubenet and Azure CNI) that address the needs of most deployments, Microsoft recently introduced the ability to bring your own networking solution, called BYOCNI, to help users address more advanced networking requirements. This new feature enables AKS customers to run Calico networking on AKS.

How to run Spark on Kubernetes reliably on spot instances

The utilization of spot instances can be one of the fastest and easiest ways to drastically reduce the compute costs of your Spark infrastructure when you run in the cloud. In this article, we will discuss two techniques specific to Spark on Kubernetes, Enhanced Spot Instance Selection and Executor Decommissioning, that can both remove some pitfalls of spot instances and increase the reliability of your compute – resulting in faster, cheaper applications.

Announcing Cycle.io's Partnership with GSD Venture Studios

We've made it our mission to reduce technical debt in the future of cloud computing, and our partners are helping us make that mission a reality. Today, we’re excited to announce that one of the world's leading Venture Studios, GSD Venture Studios, has chosen Cycle.io as the underlying platform for their new on-demand DevOps service, GSD.dev.