Introducing PaaSTA: An Open, Distributed, Platform as a Service
engineeringblog.yelp.com/2015/11/introducing-paasta-an-open-platform-as-a-service.html
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
PaaSTA is Yelp’s platform-as-a-service. It allows developers to declare, in config files, exactly how they want the code in their git repo to be built, deployed, routed, and monitored. PaaSTA powers a significant number of production services at Yelp, and has been running in production for more than 1.5 years. It even powers this very blog!