March 19, 2017

Docker Registry

Docker Registry

  • A service that hosts repositories and provides an HTTP API to a distribution service for image upload and download
  • Can be public or private, can be Cloud or server based
  • Docker Hub
    • A registry of Docker images
    • A repository of available Docker images
    • API used to upload and download images and implements version control
    • Official site is hub.docker.com
    • Here's an example of downloading (pulling down) the alpine image from the Docker Hub via the command line:
  • Docker Store
    • A Registry of official Docker images
    • Self-service portal where Docker partners publish images and users deploy them
    • the next-generation Docker hub
    • Official site is store.docker.com
  • Private Registry
    • Local repository
  • Third-Party Registry
    • Providers may provide their own registry sites, e.g. the one by Red Hat

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