add port label to dockerfile

aws / sagemaker-mxnet-training-toolkit

Toolkit for running MXNet training scripts on SageMaker. Dockerfiles used for building SageMaker MXNet Containers are at https://github.com/aws/deep-learning-containers.

Apache License 2.0

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add port label to dockerfile #51

Closed ChoiByungWook closed 6 years ago

ChoiByungWook commented 6 years ago

Add label for port.

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