Redmine is a flexible project management web application. Written using Ruby on Rails framework, it is cross-platform and cross-database.
Redmine is open source and released under the terms of the GNU General Public License v2 (GPL).
More information can be found on the official Redmine set (www.redmine.org) Running on OpenShift
Create an account at http://openshift.redhat.com/
Create a rails application
rhc-create-app -a redmine -t rack-1.1
Add mysql support to your application
rhc-ctl-app -a redmine -e add-mysql-5.1
Make a note of the username, password, and host name as you will need to use these to login to the mysql database
Add this upstream rails quickstart repo
cd redmine
rm -rf *
git remote add upstream -m master git://github.com/openshift/redmine-openshift-quickstart.git
git pull -s recursive -X theirs upstream master
Add your database username and password
vi config/database.yml
git commit -a -m "Adding mysql auth information"
Then push the repo upstream
git push
That's it, you can now checkout your application at:
http://redmine-$yournamespace.rhcloud.com
Use the following to login to your new redmine application running on openshift
username: admin
password: admin