Joe Rinehart explains how to integrate Twitter Bootstrap into a Grails application.
Ken Kousen advises Java developers how to do similar tasks in Groovy: building and testing applications, accessing both relational and NoSQL databases, accessing web services, and more.
Joe Rinehart discusses some of the essential security topics for Grails (and Java) Web applications, showing how Grails can make life easier and the pitfalls of attempting to secure highly dynamic code.
Venkat Subramaniam shows how to implement several design patterns, including some GoF ones, using Groovy’s dynamic nature and closures.
Burt Beckwith explains the general process of creating a Grails plug-in, the different types of plug-ins, and how to deploy, release and test them.
Ryan Vanderwerf explains how to create and deploy a Grails application on AWS VPC using various services such as RDS, S3, autoscaling, S3FS, EBS, etc.
Graeme Rocher talks through the latest Async features offered by Grails and how they can be used to create non-blocking REST APIs.
Jeff Scott Brown explains how to write polyglot applications with Grails, focusing on what it takes to add support for Scala, Clojure and other languages.
Stephane Maldini on addressing several issues concerning web applications written with Grails: scrolling large data sets without blocking, streaming to the browser, scale Grails in the cloud, etc.
Hans Dockter discusses build systems from a declarative vs. imperative perspective, the importance of a rich execution model and problems with POM, providing examples from Gradle, Maven and Ant.
Dan Woods presents the strengths and flexibility in Groovy, including its dynamic nature, categories and mixins, to create a powerful, maintainable, and simple application architecture.
Burt Beckwith discusses performing transactions in Grails, covering services, customizing transaction attributes (isolation, propagation levels), two-phase commit, using JMS, and testing the code.