© Adam L. Davis 2019
Adam L. DavisLearning Groovy 3https://doi.org/10.1007/978-1-4842-5058-7_13

13. Grails

Adam L. Davis1 
New York, NY, USA

Grails is a web framework for Groovy that follows the example of Ruby on Rails to be an opinionated web framework with a command-line tool that gets things done really fast. Grails uses convention over configuration to reduce configuration overhead.

Grails lives firmly in the Java ecosystem and is built on top of technologies like Spring and Hibernate. Grails also includes (optionally) an object relational mapping (ORM) framework called GORM and has a large collection of plugins.

Different versions of Grails can be very different, so you need to take care when upgrading your Grails application, especially with ...

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