Some months ago, I published an article called SLOs should be easy, say hi to Sloth. This article described the release of Sloth, an application/process to create SLOs for Prometheus in a very easy way (If you haven’t read it already I recommend you read that first). Sloth was born…

In this article, we will learn how to hot-reload any application component without stopping a running Go app, in an easy, well-structured, and clean way, using slok/reload library. But let's start from the beginning… Introduction Often, people confuse the term hot-reload of an app (watch some files, kill the process and…

Say hello to Gontroller, a Go library to create controllers (without the need of Kubernetes resources). If you are reading this and you’ve been aware of the Kubernetes and CNCF ecosystem you may be wondering, another library to create Kubernetes controllers?! Not at all… Don’t worry, you can keep reading…

In December Goresilience was released. For the ones that don’t know what it is: Goresilience is a Go library that implements resilience patterns. Today I released the 0.2 version of the library and it comes with a huge improvement, Adaptive runners. Adaptive resilience comes from adaptive control theory. Adaptive control…

This post is the 3rd part of a series of posts, on part 2 we saw the bottlenecks we encountered after the first usage and iterations on the application. Let’s continue with the story… 4th age: Frontend degradation Since we saw the latency spikes and we applied the concurrency, the frontend started to have…

This post is the 2nd part of a series of posts, on part 1 we saw the problem and the first solution we delivered. Let’s continue with the story… 2nd Age: 1st bottleneck After 2 weeks and more and more builds were stored on the service we saw that the latency was growing a…

This is a story of an application called CI operator, that has been with us for 4 months, this application has been developed in the infrastructure team. …

When we start developing an application lot’s of people forget about one of the most important facts of our programs. Our application will be in production and nothing is guaranteed there. We know that is true but we forget about it. …

Some months ago we open sourced our library to create controllers and operators along the way Kooper has fixed bugs and add new features like Prometheus metrics or leader election. Today Kooper has add a new amazing feature to increase the observability in our controllers and operators… tracing!. Tracing and Opentracing Like metrics…