Example setup from the documentation incl. example to get going. Based on gargravarr Vagrant Box but without the SSL environment. Also stripped the $racle jre - now its using then OpenJDK - which does reduce the time during vagrant up.
You should add the IG url to your host file for ease of use.
vi /etc/hosts
127.0.0.1 ig.example.com
Also
OpenIG
Protected App
This helped a lot for testing - Sample Data