Spending time with Docker during Cloud Field Day about a month ago opened my eyes to the larger ecosystem that Docker is building, and that others are building around it. There is so much more to Docker than just the idea of immutable containers.
For a start, Docker made using containers easy. That’s no small feat for a tricky piece of technical infrastructure. Making it easy, and specifically easy for developers, to use removed a lot of friction that was no small contributor to the pain of other, earlier methods. It gave developers are really simple way to create a fully functional development environment, isolated from all other dependencies, with which to work.
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