Equivalent Staging and Production Environments

To properly test ongoing changes to the work increment, we need a staging environment that matches the production environment as closely as possible.

"Effective continuous integration depends on the availability of test and staging environments (see Continuous Deployment). Infrastructure is, of course, an investment. But Lean-Agile Leaders take the long view and make the investments necessary today to increase velocity for the marathon ahead."
Read more at: http://www.scaledagileframework.com/continuous-integration/

Configuration Management System