Winner of the 2011 Jolt Excellence Award! Getting software released to users is often a painful, risky, and time-consuming process.This groundbreaking new book sets out the principles and technical practices that enable rapid, incremental delivery of high quality, valuable new functionality to usersThrough automation of the build, deployment, and testing process, and improved collaboration between developers, testers, and operations, delivery teams can get changes released in a matter of hourssometimes even minutesno matter what the size of a project or the complexity of its code base. Jez Humble and David Farley begin by presenting the foundations of a rapid, reliable, low-risk delivery process.Next, they introduce thedeployment pipeline,an automated process for managing all changes, from check-in to release. Finally, they discuss theecosystemneeded to support continuous delivery, from infrastructure, data and configuration management to governance. The authors introduce sta