When comparing Google Container Registry vs Enterprise Grade Private Docker Registry, the Slant community recommends Google Container Registry for most people. In the question“What are the best docker image private registries?” Google Container Registry is ranked 8th while Enterprise Grade Private Docker Registry is ranked 13th. The most important reason people chose Google Container Registry is:
Since it's hosted on Google Cloud Platform then it's very reliable in both the uptime and the security.
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Pros
Pro Reliable and consistent uptime
Since it's hosted on Google Cloud Platform then it's very reliable in both the uptime and the security.
Pro Charged only for the storage
Users are charged only for the Google Cloud Storage space that they are occupying and not for any additional services.
Pro Free for up to 3 images
Free for up to 3 images and one user, the next plan costs 39€ per month for unlimited users / repositories.
Pro Multiple namespaces
Multiple namespaces can be defined, for each project or team.
Pro Dedicated hardware and lightning fast
Docker Hub is extremely slow. Here you get a 300Mbit/s dedicated line.
Pro Integration with LDAP, Active Directory and OAuth
Not everyone provides this feature in its basic plan. If it is there, the plan starts at 500$ minimum.
Pro Unlimited amount of private repositories
The only provider providing this option in the basic plan.