Github user bzz commented on the issue: https://github.com/apache/zeppelin/pull/1538 @mfelgamal yes, exactly. Do you think this is possible? I wonder if the image size would go down, if we remove those guys after getting `knitr`. The goal would be to have a _minimal_ image that includes all necessary dependencies only to run Zeppelin. I'm not very familiar with R ecosystem, but isn't there some way of installing packages that comes with everything compiled, like [.whl](https://pypi.python.org/pypi/wheel) in [Python](http://pythonwheels.com/)? Then we could skip building layers of image \w gcc&co all together...
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