A company hosts a private registry at `registry.example.com:5000`. A developer built `myapp:2.1` locally and wants to push it there. What must be true before `docker image push` will target that private registry?

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B. The image must be retagged so its name starts with `registry.example.com:5000/`. Docker uses the registry hostname embedded in the image reference to decide where a push goes. The image therefore must be tagged with `registry.example.com:5000/...` before pushing to that registry. A local tag like `myapp:2.1` points to Docker Hub naming semantics rather than to the private host.

A company hosts a private registry at `registry.example.com:5000`. A developer built `myapp:2.1` locally and wants to push it there. What must be true before `docker image push` will target that private registry?

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A company hosts a private registry at registry.example.com:5000. A developer built myapp:2.1 locally and wants to push it there. What must be true before docker image push will target that private registry?

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Discussion

A company hosts a private registry at `registry.example.com:5000`. A developer built `myapp:2.1` locally and wants to push it there. What must be true before `docker image push` will target that private registry?