While we have explored Payara Micro and MicroProfile, both of these have plenty to offer. It's best to get your hands dirty by following the sample applications offered by both. MicroProfile is relatively new and is gaining momentum in the Java community, so you can expect more specifications to get added to this soon.
Docker and microservices are becoming a perfect match and there is a growing number of tools being built around these. Fat JAR and Skinny WAR are both appealing choices and the teams can pick the one that meets their needs.
Building Docker images and running containers on select machines is one thing, but taking it to production with scalability needs is another matter.
