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Every package manager should clean up after themselves in order to keep docker layers neat and tiny: apt (Debian/Ubuntu package manager): - unneeded dependencies are cleared (autoremove) - caches are cleaned (clean) - package lists are deleted yum (CentOS package manager), zypper (OpenSuse package manager) - should clear caches after installing dependencies pip (Python package manager), apk (Alpine package manager) - should use no cache for installing dependencies
17 lines
539 B
Text
17 lines
539 B
Text
FROM ubuntu:14.04
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RUN apt-get update -q \
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&& apt-get install -y g++ gcc git make curl zlib1g-dev libssl-dev \
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&& apt-get autoremove -yq \
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&& apt-get clean -yqq \
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&& rm -rf /var/lib/apt/lists/*
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ENV RUBY_VERSION 2.4.4
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RUN curl -fsSL "https://cache.ruby-lang.org/pub/ruby/2.4/ruby-${RUBY_VERSION}.tar.gz" \
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| tar -xzC /tmp \
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&& cd /tmp/ruby-2.4.4 \
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&& ./configure --disable-install-rdoc --disable-install-doc --disable-install-capi\
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&& make \
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&& make install
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RUN gem install bundler --no-document
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