Dockerfile

# Docker-in-Docker Jenkins Slave
#
# See: https://github.com/tehranian/dind-jenkins-slave
# See: TODO(dan) - link to blog post
#
# Following the best practices outlined in:
#   http://jonathan.bergknoff.com/journal/building-good-docker-images

FROM evarga/jenkins-slave

RUN apt-get update && apt-get install -y curl wget

# Install Docker from Docker Inc. repositories.
RUN curl -sSL https://get.docker.com/ | sh && \
    apt-get update && \
    apt-get upgrade -y && \
    apt-get install -y docker-engine && \
    apt-get clean && \
    rm -rf /var/lib/apt/lists/*

RUN curl -s -L https://github.com/docker/compose/releases/latest | \
    egrep -o '/docker/compose/releases/download/[0-9.]*/docker-compose-Linux-x86_64' | \
    wget --base=http://github.com/ -i - -O /usr/local/bin/docker-compose && \
    chmod +x /usr/local/bin/docker-compose && \
    /usr/local/bin/docker-compose --version

ENV LOG=file
ADD wrapdocker /usr/local/bin/wrapdocker
RUN chmod +x /usr/local/bin/wrapdocker
VOLUME /var/lib/docker

# Make sure that the "jenkins" user from evarga's image is part of the "docker"
# group. Needed to access the docker daemon's unix socket.
RUN usermod -a -G docker jenkins


# place the jenkins slave startup script into the container
ADD jenkins-slave-startup.sh /
CMD ["/jenkins-slave-startup.sh"]