One of the main drivers behind Kubernetes’ success is the ability to manage containerised workloads and services by specifying a declarative configuration and letting the system make it happen. This e...

First, some good news: the DevOps field’s expertise and performance is growing rapidly. Its best practices, like a clear change-approval process, not only improve speed and stability, but also help de...

Debugging Docker containers can be a very challenging process. Here, I’ll share a few basic techniques for debugging containers—mostly Docker ones, but the techniques are also valid for many other typ...

Linux capabilities, and how they interact with users and containers, can confuse even experienced engineers. At first it seems like this is fairly straightforward stuff, but it gets complex quickly an...

If you’re an engineer working with containers, and especially with Kubernetes, you’re going to hear about Istio. For the uninitiated, Istio is the service mesh for Kubernetes. A service mesh is a netw...

Imagine you’re building the UI. You need to connect to remote API to get or send some data. Everything works fine when you test your REST calls with curl, but when you implement them in the UI, it doe...

For consumers, the speed of technological progress is magical, because of what’s suddenly become possible: self-driving cars, same-day delivery, movies and television shows streamed to us anywhere, an...

As I described in my previous blog post on the key principles to guide a microservices project, the efficiency of the value chain determines costs, affects profit, and ultimately decides whether a bus...

In my previous two blog posts, I explored two principles that are at the heart of DevOps: systems thinking and amplifying feedback loops. In this post, we’ll discuss the third and final principle, a c...