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What does "Docker" mean in programming?
Docker is one of the most common terms in software development. This guide explains what it means, how it is used in practice, and why it matters, with real examples from the developer world.
Definition
The most widely used platform for building, shipping, and running containers. Docker packages your application and its environment into an image that runs identically anywhere.
Example
"Write a Dockerfile to define how the application should be built and run."
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