Grails, release 1.1.1 (May, 2009)
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https://grails.org/
1. INTRODUCTION
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Grails is a web application framework based on the Groovy language that endorses the DRY (don't repeat yourself) and coding-by-convention philosophies. Grails runs on the Java Virtual Machine and thus has access to the entire Java Platform.
With Grails you can easily create web applications thanks to:
- a complete development and deployment environment. All dependencies and configuration that is required to the run Grails applications in a web server are provided by Grails. The only thing you have to worry about is your application code.
- inclusion of an embedded Jetty web server
- development mode that automatically reloads changes made to application code, without having to restart the web server.
- automatic persistence mapping of domain classes with automatic relationship management.
- scaffolding on data access classes for rapid development of CRUD (Create, Read, Update, Delete) operations.
- powerful view technology with dynamic tag libraries and support for Groovy Server Pages (GSP)
2. GETTING STARTED
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To get started follow these steps:
- create a GRAILS_HOME environment variable that points to the path of the Grails distribution (the folder contain this file).
- add the bin folder in the Grails distribution to the PATH environment variable
On a Windows computer these step are done as follows:
> set GRAILS_HOME=C:\download\grails
> echo %GRAILS_HOME%
C:\download\grails
> set PATH=%GRAILS_HOME%\bin;%PATH%
On a Unix-like computer these steps are done as follows:
> set GRAILS_HOME=~/download/grails
> export GRAILS_HOME
> echo ${GRAILS_HOME}
~/download/grails
> cd ${GRAILS_HOME}
> chmod a+x bin/grails
> set PATH=${GRAILS_HOME}/bin:${PATH}
> export PATH
You can now run the grails command, as follows:
> grails create-app YourProject
For more info checkout the Grails homepage at https://grails.org
3. UPGRADING
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To upgrade your existing Grails projects you must run:
grails clean
grails upgrade
...for each project.
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Enjoy working with Grails.
The Grails team.