In short
Packaging an application and its dependencies into a portable, isolated container that runs identically anywhere — the technology that made 'it works on my machine' a largely solved problem.
How to learn this
- 1Install Docker and run your first container from a public image.
- 2Learn the difference between an image (a blueprint) and a container (a running instance).
- 3Practice the basic docker commands: run, ps, stop, rm, images.
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