[GitHub] predictionio issue #462: [PIO-86] Docker support

[marevol]

Github user marevol commented on the issue:

    https://github.com/apache/predictionio/pull/462
  
    Updated:
    - Set v0.13.0 as a default build tag
    - Use --build-arg option to change a tag/branch
    
    I'll merge this PR if there are no other concerns.


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