gitlab-build-images/Dockerfile.omnibus-gitlab-bionic

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FROM ubuntu:18.04
RUN apt-get update -q \
&& apt-get install -y g++-6 gcc-6 git make curl zlib1g-dev libssl1.0-dev locales \
&& rm -rf /var/lib/apt/lists/*
RUN echo "en_US.UTF-8 UTF-8" > /etc/locale.gen
RUN locale-gen en_US.UTF-8
ENV LANG en_US.UTF-8
ENV LANGUAGE en_US:en
ENV LC_ALL en_US.UTF-8
ENV CC /usr/bin/gcc-6
ENV CXX /usr/bin/g++-6
ENV RUBY_VERSION 2.3.7
RUN curl -fsSL "https://cache.ruby-lang.org/pub/ruby/2.3/ruby-${RUBY_VERSION}.tar.gz" \
| tar -xzC /tmp \
&& cd /tmp/ruby-2.3.7 \
&& ./configure --disable-install-rdoc --disable-install-doc --disable-install-capi\
&& make \
&& make install
RUN gem install bundler