Responding to the demand for more in-depth Grails coverage that goes beyond the typical use cases, this book helps experienced developers understand the motivation behind the core ideas of this web development framework. You'll learn Grails best practices for building and deployment, debugging and problem solving, creating and using Grails plugins, as well as testing, security, performance, scaling, tuning, and monitoring. In the process, you'll focus on technologies that Grails uses and integrates with, including: Spring, Hibernate, and relational and non-relational (NoSQL) alternatives to Hibernate Java Enterprise Edition technologies such as EJBs, JMS, and JNDI REST, SOAP, Spring Integration, and Apache Camel