I was reflecting the other day on the tools I know and, specially, the ones I do not know. That led me to think “why do I not know these tools by now?”. One of the reasons is that I learnt other things, and is what lead to this text. …

Here I explore a few optimization when building docker images for your clojure apps. Image versions One easy way to make it faster for you local development and for CI/CD is to just use smaller images, and to reuse images. Using common public images make it more likely that you will use…

A few years ago I was working with geospatial analysis and came to study and compare a few alternative file formats for storing and, especially, transferring such data. I worked mainly with vector data (polygons and points) and served that for the web. The motivation of this work was to…

Terraform is this amazing tool to provision and manage changes on your cloud infrastructure while following the great practice of keeping your infrastructure-as-code. One common need on infrastructure management is to build multiple environments, such as testing and production, with mostly the same setup but keeping a few variables different…

This is a simple sum up of a few experiences I had with golang with regarding to compiling binaries, “static” binaries, cross compiling and using plugins. The basics We all start on the same basic, to compile a simple go program you do: $ go build -o mybin *.go That will generate…

I am very proud to announce that the project by Eduardo Dalcin and me, developed inside Brasil’s National Centre for Flora Conservation, is featured in Elastic.co user stories blog. In Providing extinction risk assessments for biodiversity with Elasticsearch we give an overview of the processes of assessing brasillian flora with…

Or: Non-conversational interactive chat interfaces. Since constraints provokes creativity and no-UI is the best UI (simplicity is king), it really is looking good to be on the chat focused apps side of things. And from a backend developer, who can’t really come up with nice designs, it really makes sense…

At this new year break I made a blog for my girlfriend. A simple, straightforward and customized wordpress blog, and I felt pretty good about it. It took me about two days to air it, and I felt good because I put something for the public and it was without…