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What does "Docker container" mean in programming?
Docker container 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
A running instance of a Docker image, isolated from other processes on the host. Containers share the host OS kernel but have their own filesystem, network, and process space.
Example
"Each microservice runs in its own Docker container in our stack."
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