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5845afd4e0
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 Signed-off-by: Pratik Raj <rajpratik71@gmail.com>
29 lines
1.1 KiB
Docker
29 lines
1.1 KiB
Docker
# vim:ft=dockerfile
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FROM phusion/baseimage:0.9.18
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ENV DEBIAN_FRONTEND noninteractive
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ENV HOME /root
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# Install the dependencies.
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RUN apt-get update # 24JUN2015
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# New ubuntu packages should be added as their own apt-get install lines below the existing install commands
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RUN apt-get install -y git python-virtualenv python-dev libjpeg8 libjpeg62 libjpeg62-dev libevent-2.0.5 libevent-dev gdebi-core g++ libmagic1 phantomjs nodejs npm libldap-2.4-2 libldap2-dev libsasl2-modules libsasl2-dev libpq5 libpq-dev libfreetype6-dev libffi-dev libgpgme11 libgpgme11-dev
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# Build the python dependencies
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ADD requirements.txt requirements.txt
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RUN virtualenv --distribute venv
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RUN venv/bin/pip install --no-cache-dir -r requirements.txt
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ARG src_subdir
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RUN apt-key adv --keyserver hkp://pgp.mit.edu:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D \
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&& echo "deb https://apt.dockerproject.org/repo ubuntu-trusty main" > /etc/apt/sources.list.d/docker.list \
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&& apt-get update \
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&& apt-get install -y docker-engine
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ENV PYTHONPATH=/
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ENV PATH=/venv/bin:$PATH
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WORKDIR /src/$src_subdir
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