Java EE separation of plumbing and pure business logic (aka Thin Wars) makes Docker builds fast and the images small:
The Payara and WildFly images in this screencast were taken from: https://github.com/AdamBien/docklands and hosted on: https://hub.docker.com/u/airhacks/
Interested in productive microservices? Checkout: javaeemicro.services, or visit MUC's airport: Java EE 7 Microservices.
NEW online workshop: WebStandards Igniter (online)
Airport MUC workshops: Java EE 8, Java 9: Bootstrap, Effective, Architectures, Single Page Apps, Progressive Web Apps, HTML 5, ES 6, CSS 3 and Microservices
Podcast: airhacks.fm and newsletter: airhacks.news
A book about rethinking Java EE Patterns