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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