Welcome to the 32th post in the rarely raucous R recommendations series, or R4 for short. This post covers continuous integration, a topic near and dear to many of us who have to recognise its added value.

The popular and widely-used service at Travis is undergoing changes driven by a hard-to-argue with need for monetization. A fate that, if we’re honest, lies ahead for most “free” services so who know, maybe one day we have to turn away from other currently ubiquitous service. Because one never knows, it can pay off to …