What are some alternatives?
Google App Engine - A powerful platform to build web and mobile apps that scale automatically.
Heroku - Agile deployment platform for Ruby, Node.js, Clojure, Java, Python, and Scala. Setup takes only minutes and deploys are instant through git. Leave tedious server maintenance to Heroku and focus on your code.
Clever Cloud - Clever Cloud helps developers deploy and run their apps with bulletproof infrastructure, automatic scaling, fair pricing and other cool features.
Dokku - Docker powered mini-Heroku in around 100 lines of Bash
Microsoft Azure - Windows Azure and SQL Azure enable you to build, host and scale applications in Microsoft datacenters.
Hoist - Hoist is how you integrate - Meet the microservices platform that talks to APIs