David Dawson explains how to build a Grails application based on a hexagonal architecture.
Stuart Williams examines some of the problems faced building an application processing billions of events/day with Spring Integration, Spring Expression Language, Reactor and the LMAX Disruptor.
Chris Richardson discusses an event-driven microservice architecture, it’s benefits and drawbacks and how Spring Boot can help, implementing business logic using domain models written in Scala.
Baruch Sadogursky discusses how to maintain Grails plug-ins that play well with other plug-ins existing in the ecosystem.
Ken Kousen discusses combining various technologies: Groovy, Ratpack, MongoDB, Grails, REST.
Fabrice Matrat shows how advanced architectural libraries, such as cujoJS and RaveJS, provide parallels to many of the concepts people love in Grails.
Oliver Gierke summarizes the problems Spring Cloud tries to solve and introduces the individual modules through practical code examples.
Owen Rubel discusses the benefits of API abstraction: easier externalization, synchronization and sharing, reloading the API config on the fly, DRY'r code, batching, reduced throughput and much more.
Russ Danner demonstrates how organizations succeeded by leveraging Spring Framework, Groovy, other Java technologies and CMS frameworks to build and manage content rich applications.
Baruch Sadogursky and Fred Simon explain how to write AST transformations.
Phillip Verheyden covers what it takes to migrate a Spring 3.x application to Spring 4.