Although container technology has been around for more than a decade, it was Docker that made it easy to use. The impact on the software industry has been tremendous. It improved the speed of software delivery. It did away with manual handovers between dev and ops. It made the deployment process 100% reproducible. And last but least: Once you put your application in a container, you can run it anywhere. On-premise or in the cloud. In this article we give you 8 reasons, why container technology is a fundamental building block for a multi-cloud strategy.