Heroku Cloud is an excellent cloud PaaS for free of cost for the developers to test or even run serious instances. Here is some extra shining tips for Heroku. We have quite number of articles on Heroku Cloud; you can simply search with the the phrase Heroku Cloud in the search box of this website to get the list as search result. At minimum, read this one article view the Video Guide on Installing WordPress on Heroku Cloud. That guide was done on Ubuntu, for installing Heroku Tool Belt on Mac OS X, follow this guide.