This is a cross-post from the official Galeria Kaufhof Technology Blog I have learned the following through the great support and advice of my coworkers Jens Müller and Martin Grotzke. About I have recently joined the new multi-channel retail eCommerce project at Galeria Kaufhof in Cologne. This meant diving head-first into a large-scale Scala/Play/Akka/Ruby software ecosystem, and as a consequence, a lot of learning (and unlearning, and disorientation, and some first small successes), as I...