Explore the Micronaut framework for developing ultra-lightweight Java microservices in this conference talk by Graeme Rocher, the creator of Grails and Micronaut. Discover how Micronaut's unique compile-time approach enables subsecond startup times, small memory footprints, and cloud-native capabilities. Learn about key features such as no runtime reflection, dependency injection, and AOP. Dive into Micronaut's Ahead of Time Compilation (AOT) support and its integration with Oracle's GraalVM. Gain insights into addressing serverless and Java framework challenges, and see how Micronaut compares to other solutions in the Java ecosystem. Understand the framework's architecture, configuration options, and performance statistics to leverage its full potential in building efficient microservices.