A key part of Continuous Integration is being able to deploy quickly, safely and with minimal impact to production traffic. Sites use various deploy automation tools like Capistrano, Fabric and a large number of homegrown rsync-based ones. At Etsy we use a tool we built and open-sourced called Deployinator. What all these tools have in common is that they get files onto multiple servers and are ab
![Etsy Engineering | Atomic deploys at Etsy](https://cdn-ak-scissors.b.st-hatena.com/image/square/48aa55990ac465a645498042e9b0a15e96f998ee/height=288;version=1;width=512/https%3A%2F%2Fi.etsystatic.com%2Finv%2Fc13090%2F3711675145%2Finv_fullxfull.3711675145_rahzfxx2.jpg%3Fversion%3D0)