optimize size and time using --no-cache-dir

Using --no-cache-dir flag in pip install ,make sure dowloaded packages
by pip don't cached on system . This is a best practise which make sure
to fetch ftom repo instead of using local cached one . Further , in case
of Docker Containers , by restricing caching , we can reduce image size.
In term of stats , it depends upon the number of python packages
multiplied by their respective size . e.g for heavy packages with a lot
of dependencies it reduce a lot by don't caching pip packages.

Further , more detail information can be found at

https://medium.com/sciforce/strategies-of-docker-images-optimization-2ca9cc5719b6

Change-Id: Ia635ecb0eaea3a400a0b03031efec354d0c3c77e
Signed-off-by: Pratik Raj <rajpratik71@gmail.com>
This commit is contained in:
Pratik Raj 2020-10-03 11:51:54 +05:30
parent c4d74c2d89
commit 952e881922
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1 changed files with 2 additions and 2 deletions

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@ -16,10 +16,10 @@ RUN \
linux-headers \
musl-dev \
python-dev \
&& pip install -U pip setuptools \
&& pip --no-cache-dir install -U pip setuptools \
\
&& cd /opt/kuryr-libnetwork \
&& pip install . \
&& pip --no-cache-dir install . \
&& cd / \
&& apk del build-deps