[docker] use `--no-cache-dir` flag to `pip` in dockerfiles to save space 39/116539/1 honolulu
authorPratik raj <rajpratik71@gmail.com>
Wed, 30 Dec 2020 05:11:52 +0000 (10:41 +0530)
committerPratik raj <rajpratik71@gmail.com>
Wed, 30 Dec 2020 05:11:52 +0000 (10:41 +0530)
commit533c0d77decb5c86f5f06e4a8061a9042b7ce6ce
tree1485bd3f70694a82fa2a9d8e6d31fedc07a7b783
parent37cc7b1bb226e2d2840b093290b4afb5aa78ec16
[docker] use `--no-cache-dir` flag to `pip` in dockerfiles to save space

using "--no-cache-dir" flag in pip install ,make sure downloaded packages
by pip don't cached on system . This is a best practice which make sure
to fetch from repo instead of using local cached one . Further , in case
of Docker Containers , by restricting 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

Issue-ID: MULTICLOUD-1279
Signed-off-by: Pratik Raj <rajpratik71@gmail.com>
Change-Id: If01ac9167727423f65788bdf6abfd8ee0e1546cc
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