Friday 11th March, 2016
8:45am to 10:15am
In this session, we'll explore Spring Cloud, the extension to Spring which addresses many of the common challenges of developing cloud native applications. We'll focus primarily on Spring Cloud's support for centralized configuration, service discovery, and failover/monitoring.
You wouldn't write your entire application in a single main() method or servlet. Nor would you develop an entire production-ready application in a single class. It's even unlikely that you'd cram everything into a single package.
Modularity helps us gain order in our code, breaking it into easily digestible, refactorable, pluggable, and testable chunks. Classes and methods are a form of modularity that we're all familiar with. But once the code is built, modularity goes away and we're left deploying a single WAR file.
Aside from being buzzword-compliant, Microservices are a means of defining entire systems from composable, but distinct deployment units gaining all of the benefits of finer-grained modularity.
Microservices present new challenges to developers, however. How do you configure your microservices? How are microservices discovered? And how can you avoid a cascading failure when one microservice becomes sluggish, unresponsive, or otherwise unhealthy?
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