Andrey Adamovich is a software craftsman with many years of experience in different lifecycle phases of software creation. Andrey's love is JVM ecosystem. In recent years, he tries to apply JVM goodness to DevOps initiatives his company is implementing for several clients. He is one of the authors of Groovy 2 Cookbook as well as frequent speaker at local communities and conferences.
Ratpack reached version 1.0 in 2015. It’s a light-weight framework with a lot of potential. It has a good team and years for coding behind it, but still remains very straight-forward, easy to use, deploy, extend and at the same time it's very efficient and performing. Its core is non-blocking and implements reactive approaches for handling high-load with little resources. It has all you need for your micro-services.