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As described on Google Container Registry.the GCR can work as a cached images store to public images on docker hub. What if my images on docker hub is private?

focus zheng
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There is a restriction on Docker hub to mirror private registry, it is not restricted in GCR. You can find this document where it is stated that, “It’s currently not possible to mirror another private registry. Only the central Hub can be mirrored.”

shamma
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  • Okay.Is there another way to mirror private registry?Because I want to images built auto refer to Dockerfiles. – focus zheng Dec 17 '18 at 03:48
  • No from Docker Hub. You can use continuous delivery tool integrations[0], Google has Cloud Build[1] to create the image [2] and push to Container Registry [3]. You can build and push images to private registry when you commit code to Cloud Source Repositories, GitHub [4], or Bitbucket[5]. – shamma Dec 17 '18 at 18:41
  • [0] https://cloud.google.com/container-registry/docs/continuous-delivery [1] https://cloud.google.com/source-repositories/docs/integrating-with-cloud-build#using_a_dockerfile [2] https://cloud.google.com/cloud-build/docs/configuring-builds/build-test-deploy-artifacts [3] https://cloud.google.com/container-registry/ [4] https://cloud.google.com/source-repositories/docs/mirroring-a-github-repository [5] https://cloud.google.com/source-repositories/docs/mirroring-a-bitbucket-repository – shamma Dec 17 '18 at 18:41