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FROM ubuntu:14.04
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MAINTAINER Sytse Sijbrandij
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# Install required packages
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RUN apt-get update -q \
    && DEBIAN_FRONTEND=noninteractive apt-get install -yq --no-install-recommends \
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      ca-certificates \
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      openssh-server \
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      wget \
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      apt-transport-https \
      vim \
      nano
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# Download & Install GitLab
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# If you run GitLab Enterprise Edition point it to a location where you have downloaded it.
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RUN echo "deb https://packages.gitlab.com/gitlab/gitlab-ce/ubuntu/ `lsb_release -cs` main" > /etc/apt/sources.list.d/gitlab_gitlab-ce.list
RUN wget -q -O - https://packages.gitlab.com/gpg.key | apt-key add -
RUN apt-get update && apt-get install -yq --no-install-recommends gitlab-ce
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# Manage SSHD through runit
RUN mkdir -p /opt/gitlab/sv/sshd/supervise \
    && mkfifo /opt/gitlab/sv/sshd/supervise/ok \
    && printf "#!/bin/sh\nexec 2>&1\numask 077\nexec /usr/sbin/sshd -D" > /opt/gitlab/sv/sshd/run \
    && chmod a+x /opt/gitlab/sv/sshd/run \
    && ln -s /opt/gitlab/sv/sshd /opt/gitlab/service \
    && mkdir -p /var/run/sshd

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# Disabling use DNS in ssh since it tends to slow connecting
RUN echo "UseDNS no" >> /etc/ssh/sshd_config

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# Prepare default configuration
RUN ( \
  echo "" && \
  echo "# Docker options" && \
  echo "# Prevent Postgres from trying to allocate 25% of total memory" && \
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  echo "postgresql['shared_buffers'] = '1MB'" ) >> /etc/gitlab/gitlab.rb && \
  mkdir -p /assets/ && \
  cp /etc/gitlab/gitlab.rb /assets/gitlab.rb
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# Expose web & ssh
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EXPOSE 443 80 22

# Define data volumes
VOLUME ["/etc/gitlab", "/var/opt/gitlab", "/var/log/gitlab"]
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# Copy assets
COPY assets/wrapper /usr/local/bin/

# Wrapper to handle signal, trigger runit and reconfigure GitLab
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CMD ["/usr/local/bin/wrapper"]