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kevinkirkup/reduce-size.dockerimage

Forked from NikoWoot/reduce-size.dockerimage
Created April 24, 2017 20:29
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Reduce size of Docker image
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reduce-size.dockerimage
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After software installation
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RUN apt-get clean
RUN rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
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Docker on build process, include all files on directory build (include .git with old build)
Solution for reduce size of docker image (but for reuse is not good solution)
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File : .dockerignore
.bundle
.git
log
tmp
vendor
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Compress docker image
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ID=$(docker run -d image-name /bin/bash)
(docker export $ID | gzip -c > image.tgz)
gzip -dc image.tgz | docker import - flat-image-name
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