Hey, I’m Carlos!

I create, maintain, and operate software. Sometimes I write about it here.

Hey, I’m Carlos!

GKE in production

I’ve been working with DigitalOcean, Heroku and AWS for some years now. Recently, I …

Improving Jekyll build time

I’ve been using Jekyll on my blog since 2012. It is great! But, lately, its slow build …

70% cheaper Kubernetes cluster on AWS

We are running Kubernetes on both sandbox and production for some months now. Our production …

Writing CLI applications with Golang

Last few months I’ve been using Go to write quite a lot of tools. In this post I intent …

Measuring production code coverage with JaCoCo

Microservices is the new fancy way of doing applications. Yet, most companies still have big …

From Travis Enterprise to BuildKite in 50 repositories

At ContaAzul, we use the CI infrastructure a lot. We open several pull requests in several …

Distributed Locking with Redis

At ContaAzul, we have several old pieces of code that are still running in production. We are …

Fast and easy Go binaries delivery

I have some apps written in Go, which I deliver as binaries for each platform using GitHub …

Watchub

Watchub is a service that notifies you of people who followed/unfollowed you and …