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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 Signed-off-by: Pratik Raj <rajpratik71@gmail.com>
34 lines
1.1 KiB
Docker
34 lines
1.1 KiB
Docker
#
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# Dockerfile for snort
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#
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FROM centos:8
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MAINTAINER EasyPi Software Foundation
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ENV SNORT_VERSION=2.9.16.1
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ENV SNORT_URL=https://www.snort.org/downloads/snort/snort-${SNORT_VERSION}-1.centos8.x86_64.rpm
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ENV RULES_URL=https://www.snort.org/downloads/community/community-rules.tar.gz
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RUN set -xe \
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&& yum -y install epel-release jq libdnet \
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&& yum -y install ${SNORT_URL} \
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&& mkdir -p /etc/snort/rules \
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&& curl -sSL ${RULES_URL} | \
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tar xz --strip 1 -C /etc/snort/rules/ community-rules/community.rules \
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&& touch /etc/snort/rules/local.rules \
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/etc/snort/rules/black_list.rules \
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/etc/snort/rules/white_list.rules \
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&& mkdir -p /etc/snort/so_rules \
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/etc/snort/preproc_rules \
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/usr/local/lib/snort_dynamicrules \
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&& ln -s /usr/lib64/libdnet.so.1 /usr/local/lib/libdnet.1 \
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&& curl -sSL https://bootstrap.pypa.io/get-pip.py | python \
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&& pip install --no-cache-dir idstools \
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&& yum clean all
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COPY data/snort.conf /etc/snort/snort.conf
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COPY data/u2json.conf /etc/snort/u2json.conf
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ENTRYPOINT ["snort"]
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CMD ["--help"]
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