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docker-library--ruby/Dockerfile-slim.template
2016-12-30 16:48:07 -08:00

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FROM debian:jessie
RUN apt-get update \
&& apt-get install -y --no-install-recommends \
bzip2 \
ca-certificates \
libffi-dev \
libgdbm3 \
libssl-dev \
libyaml-dev \
procps \
zlib1g-dev \
&& rm -rf /var/lib/apt/lists/*
# skip installing gem documentation
RUN mkdir -p /usr/local/etc \
&& { \
echo 'install: --no-document'; \
echo 'update: --no-document'; \
} >> /usr/local/etc/gemrc
ENV RUBY_MAJOR %%VERSION%%
ENV RUBY_VERSION %%FULL_VERSION%%
ENV RUBY_DOWNLOAD_SHA256 %%SHA256%%
ENV RUBYGEMS_VERSION %%RUBYGEMS%%
# some of ruby's build scripts are written in ruby
# we purge system ruby later to make sure our final image uses what we just built
RUN set -ex \
\
&& buildDeps=' \
autoconf \
bison \
gcc \
libbz2-dev \
libgdbm-dev \
libglib2.0-dev \
libncurses-dev \
libreadline-dev \
libxml2-dev \
libxslt-dev \
make \
ruby \
wget \
xz-utils \
' \
&& apt-get update \
&& apt-get install -y --no-install-recommends $buildDeps \
&& rm -rf /var/lib/apt/lists/* \
\
&& wget -O ruby.tar.xz "https://cache.ruby-lang.org/pub/ruby/${RUBY_MAJOR%-rc}/ruby-$RUBY_VERSION.tar.xz" \
&& echo "$RUBY_DOWNLOAD_SHA256 *ruby.tar.xz" | sha256sum -c - \
\
&& mkdir -p /usr/src/ruby \
&& tar -xJf ruby.tar.xz -C /usr/src/ruby --strip-components=1 \
&& rm ruby.tar.xz \
\
&& cd /usr/src/ruby \
\
# hack in "ENABLE_PATH_CHECK" disabling to suppress:
# warning: Insecure world writable dir
&& { \
echo '#define ENABLE_PATH_CHECK 0'; \
echo; \
cat file.c; \
} > file.c.new \
&& mv file.c.new file.c \
\
&& autoconf \
&& ./configure --disable-install-doc --enable-shared \
&& make -j"$(nproc)" \
&& make install \
\
&& apt-get purge -y --auto-remove $buildDeps \
&& cd / \
&& rm -r /usr/src/ruby \
\
&& gem update --system "$RUBYGEMS_VERSION"
ENV BUNDLER_VERSION %%BUNDLER%%
RUN gem install bundler --version "$BUNDLER_VERSION"
# install things globally, for great justice
# and don't create ".bundle" in all our apps
ENV GEM_HOME /usr/local/bundle
ENV BUNDLE_PATH="$GEM_HOME" \
BUNDLE_BIN="$GEM_HOME/bin" \
BUNDLE_SILENCE_ROOT_WARNING=1 \
BUNDLE_APP_CONFIG="$GEM_HOME"
ENV PATH $BUNDLE_BIN:$PATH
RUN mkdir -p "$GEM_HOME" "$BUNDLE_BIN" \
&& chmod 777 "$GEM_HOME" "$BUNDLE_BIN"
CMD [ "irb" ]