The Salesforce.com owned platform-as-a-service Heroku is expanding beyond Ruby.
Tags : Heroku, PaaS

CouchDB is a schema-less data store built on top of HTTP and REST. Learn how to use it on the backend of a Heroku-deployed Rails app.
Tags : Ruby on Rails, Ruby, Cloud, Heroku, CouchDB

Learn how to use the non-relational MongoDB datastore as the backend for your Heroku-deployed Rails application. More importantly, learn why you would choose it over the likes of PostgreSQL.
Tags : Ruby on Rails, Ruby, cloud computing, Heroku, cloud services

Learn how to use the Heroku cloud computing platform by following the development and deployment of a simple database-backed Rails application.
Tags : Ruby on Rails, Cloud, Heroku, cloud services, PostgreSQL