Continuous Delivery is the game of delivering features to Production whenever a change is made. It shortens the feedback, and even the payment cycle, because you are delivering product more frequently. Because the steps are run multiple times a Sprint, teams need to automate all of the steps along the way to deployment.
The application is built and its automated test suite is run. In many organizations, it may be promoted through a staging environment where a wider suite of integration tests are performed.
In some organizations, a human (or the Product Owner 😉) decides with each build if enough additional value has been created to be worth deploying. This approach tends to be a sub-optimization.
Along with the feedback benefits, Continuous Delivery also reduces risk since each deployment is smaller and therefore, if there is a problem, it can be rolled back and found more easily.
EXAMPLE FROM REAL WORLD
CONTINUOUS DELIVERY AND DEPLOYMENT BOOKS
Mark Levison has been helping Scrum teams and organizations with Agile, Scrum and Kanban style approaches since 2001. From certified scrum master training to custom Agile courses, he has helped well over 8,000 individuals, earning him respect and top rated reviews as one of the pioneers within the industry, as well as a raft of certifications from the ScrumAlliance. Mark has been a speaker at various Agile Conferences for more than 20 years, and is a published Scrum author with eBooks as well as articles on InfoQ.com, ScrumAlliance.org an AgileAlliance.org.
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