Definition: Hub Docker is a container registry that provides a "hub" where developers can collect, manage, and distribute Docker images. It's primarily used for building containers without having to install Docker directly. The word "hub" refers to a collection or gathering place. In this context, it means the official website of Docker itself, which hosts Docker documentation, user guides, and other resources related to Docker. The term 'docker hub' is an acronym that stands for Docker Local Hub, where 'docker' represents Docker itself and 'hub' represents a place where developers can store their projects. This term emphasizes the idea that Docker can be used in various ways, from building applications on top of it to hosting services or distributing them globally. For example, if you are creating a container image for a web server project, you might choose to use the docker hub and tag your image with "web-server:latest", indicating that you will release that as a public Docker image that can be deployed by anyone.
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