Bitnami Magento STACK

mysite.com/magento When i click Go to applicaiton the address shows this http://ec2-54-123-123-123-12-43-36.ap-southeast-1.compute.amazonaws.com/magento/

planning to do this

DocumentRoot "/opt/bitnami/apps/magento/htdocs"
# Alias /magento/ "/installdir/apps/magento/htdocs/"
# Alias /magento "/installdir/apps/magento/htdocs"

and this

# Uncomment the following lines to see your application in the root
# of your URL. This is not compatible with more than one application.
RewriteEngine On                                                                                  
RewriteRule ^/$ /magento/ [PT]