Grails and Configuration

Using Convention over Configuration (CoC), Grails significantly reduces the amount of configuration you need to do. Crucially, however, it is convention over configuration, not instead of it. There are still a number of different ways you can configure Grails.

Most configuration can be done using Grails' central configuration mechanism. The file grails-app/conf/Config.groovy contains any global configuration for the application. You've already seen this file being used at various points throughout the book. In the following sections, we'll be taking a closer look at how configuration is done with Config.groovy and what configuration options are available to you.

Configuration Basics

The Config.groovy file is a Groovy script that is similar to a regular Java properties file. You can set properties using the dot dereference operator: