In the beginning, before the go tool, before Go 1.0, the Go distribution stored the standard library in a subdirectory called pkg/ and the commands which built upon it in cmd/. This wasn’t so much a deliberate taxonomy but a by product of the original make based build syste...
Shared some tips about managing medium-sized OpenSource projects. The slides are in Portuguese.
Prelude This post is the 2nd installment of a 2 part series about integration testing. You can read the first installment, which is about executing tests in a restricted environment using Docker. The example repository that this post draws it examples from can be found here. Intr...
APIs should be easy to use and hard to misuse. — Josh Bloch A good example of a simple looking, but hard to use correctly, API is one which takes two or more parameters of the same type. Let’s compare two function signatures: What’s the difference between these functions? O...
Recently I ran into a curious behavior related to the go directive in the go.mod file. It’s well documented, but it’s nevertheless surprising. Go 1.11 introduced support for modules, as a way to define a collection of related Go packages. You can find details about it...
tl;dr I wrote a Golang news aggregator mobile app, I open sourced it. If you use Android, you can get the app. It is no secret that I am a huge fan of the Go language! Go has proved to be a very reliable partner in my projects, whether the project in question is personal or prof...
This is a post about performance. Most of the time when worrying about the performance of a piece of code the overwhelming advice should be (with apologies to Brendan Gregg) don’t worry about it, yet. However there is one area where I counsel developers to think about the p...
I always wanted to find a good use case of Google Home to make some DevOps tasks funnier. For example voice deployments, system metrics, etc. Since I use Kubernetes a lot, I thought it would be fun to control it via voice commands.
1. What are four keys for great DevOps? Collaboration: DevOps requires collaboration, both within teams and between teams. Good communication between teams implies to break down silos, which can be harder than it sounds in organizations where a leader and their team are rewarded...
In a lot of ways, I owe my professional career to music. If it wasn’t for music, I wouldn’t have learned about samplers, sequencers, MIDI and the crazy world of synthesizers. Those machines led me to computers and computer music which led me to both sound engineering...