(Quick Reference) # 2.11 Supported Java EE Containers Version: 6.0.0 ## 2.11 Supported Java EE Containers The Grails framework requires that runtime containers support Servlet 3.0 and above. By default, Grails framework applications are bundled with an embeddable Tomcat. For more information, please see the "Deployment" section of this documentation. In addition, reference the Grails Guides for tips on how to deploy Grails to various popular Cloud services. | Quick Reference (hide)