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What is Docker and why is it so darn popular?

If you’re in data center or cloud IT circles, you’ve been hearing about containers in general and Docker in particular non-stop for over a year now. With the release of Docker 1.0 in June, the buzz became a roar.

All the noise is happening because companies are adopting Docker at a remarkable rate. At OSCon in July, I ran into numerous businesses that were already moving their server applications from virtual machines (VM) to containers. Indeed, James Turnbull, Docker’s VP of services and support, told me at the conference that three of the largest banks that had been using Docker in beta were moving it into production. That’s a heck of a confident move for any 1.0 technology, but it’s almost unheard of in the safety-first financial world.

What is Docker and why is it so darn popular? More>

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