docker build with Dockerfile, but the image has no name or tag -

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i installed docker mac, version 1.12.0-rc4-beta19

when use docker build -t self/centos:java8 .

the image has no name or tag

repository          tag                 image id            created             size <none>              <none>              1581ffcbfd7f        5 minutes ago       196.8 mb

what's wrong build command?

is image building correctly? name not set when there error in build. because every step in build new image created , error won't last step correctly named image

btw can set manually tag command https://docs.docker.com/engine/reference/commandline/tag/


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