Blue-green deployment minimizes downtime by switching from one identical environment to another. The environments can reside on the same or different hardware.
Blue-green deployment minimizes downtime by switching from one identical environment to another. The environments can reside on the same or different hardware.
More information is available in a widely read post by Martin Fowler. Further deployment tactics that are sometimes called blue-green deployment are described by Itay Shakury. They are used to handle different workflows and risks tolerance as well as to facilitate A/B testing.