We migrated all of our services to Kubernetes about six months ago. At first glance, the task seemed quite simple: deploy a cluster, write application specifications, and that’s it. But, since we’re obsessed with stability, we nevertheless had to learn how k8s works under pressure, so we tested multiple failure scenarios. Most of the questions that arose were network related. One particular point of concern was how Kubernetes Services function.
We have just finished our transition from a websocket server based on laravel-echo-server to one that is fully driven by PHP: laravel-websockets. In this post, we'll highlight why and how we made that move.
Monitoring a Kubernetes cluster allows engineers to observe its resource utilization and take action when something goes wrong. This article explores what you should be monitoring and how to go about it with Rancher, Prometheus, and Grafana.
Darren Shepherd, Rancher co-founder and Chief Architect, describes the Kubernetes critical CVE issue he discovered, how it came to a resolution, and what it says about the Kubernetes open-source community.
Instrumenting your application with an APM tool is not always easy. Configuration is often complicated, and managing agent files can be daunting. AppDynamics has developed a three-step solution for automating Java agent deployment and infrastructure monitoring in a Docker environment.
