Know the different types of Kubernetes Services and Ingress controllers — What is a service in Kubernetes In a Kubernetes environment, you can have hundreds if not thousands of pods that are ephemeral. Whether it is because nodes are being scaled down, pod replicas being scaled down, or pods being rescheduled to a new node, the IP address of a pod is never guaranteed. …

A brief guide to explain your app’s connection with your CPU or memory — What Is Profiling, and Why Is It Useful? Have you ever wanted to dig deeper for explanations as to why your applications are bulking up on memory or the CPU spikes up? While monitoring tools tell that it’s happening, you don’t know why. This is when profiling is fantastic. Profiling offers better insight into how your application interacts…

This guide will walk you through how to configure Vault running on a Kubernetes cluster to exchange service accounts for a scoped client vault token. …

Kubernetes has become the de facto way to maintain and deploy containers. However, there are still some portions of our application that we manage by hand. The two I have noticed are maintaining DNS records and TLS certificates. Shouldn’t we be able to define our desired DNS and TLS alongside…

How one question stumped me and made me rethink my career — As I thought about the question and prepared my answer, I noticed something about the response I was going to give. If you had asked me this question earlier in my career I would have said something such as testing your code, building applications in a specific architecture, or building…

With 2022 ahead of us I wanted to take a look at the tools I used in the previous year — I would consider these tools critical to my day-to-day development and if I couldn’t use them it would be difficult for me to adjust to a new workflow. So while there may be tools that I use on a day to day (something like slack) I didn’t consider those for…

This article was originally published on the VMBlog here and adapted for Medium. When you think of Kubernetes you think of containers. When you think of containers you think Docker. So it was a big surprise when, in December 2020, the Kubernetes maintainers announced that it would be deprecating Docker…

The Certified Kubernetes Administer (CKA) and Certified Kubernetes Application Developer (CKAD) exams may look daunting and intimidating. This is certainly what I thought and felt when I had scheduled my CKA and CKAD earlier this year. …

This article was originally published on the Vultr Blog here and adapted for Medium. Kubernetes has become the mainstream open-source orchestration tool for automating deployment, scaling, and management of containerized applications. Originally designed by teams at Google and released in 2014, Kubernetes is now officially maintained by the Cloud Native…