Images之管理image
Manage images
The easiest way to make your images available for use by others inside or outside your organization is to use a Docker registry, such as Docker Hub, Docker Trusted Registry, or by running your own private registry.
Docker Hub
Docker Hub is a public registry managed by Docker, Inc.
It centralizes information about organizations, user accounts, and images.
It includes a web UI, authentication and authorization using organizations, CLI and API access using commands such as docker login
, docker pull
, and docker push
, comments, stars, search, and more.
Docker Hub is also integrated into Docker Store, which is a marketplace that allows you to buy and sell entitlements to non-free images.
Docker Registry
The Docker Registry is a component of Docker’s ecosystem.
A registry is a storage and content delivery system, holding named Docker images, available in different tagged versions.
For example, the image distribution/registry
, with tags 2.0
and latest
. Users interact with a registry by using docker push and pull commands such as docker pull myregistry.com/stevvooe/batman:voice
.
Docker Hub is an instance of a Docker Registry.
Docker Trusted Registry
Docker Trusted Registry is part of Docker Enterprise Edition, and is a private, secure Docker registry which includes features such as image signing and content trust, role-based access controls, and other Enterprise-grade features.
Content Trust
When transferring data among networked systems, trust is a central concern.
In particular, when communicating over an untrusted medium such as the internet, it is critical to ensure the integrity and publisher of all of the data a system operates on.
You use Docker to push and pull images (data) to a registry.
Content trust gives you the ability to both verify the integrity and the publisher of all the data received from a registry over any channel.
See Content trust for information about configuring and using this feature on Docker clients.
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