Dockerfile

FROM ubuntu:16.04

ADD https://github.com/Yelp/dumb-init/releases/download/v1.0.2/dumb-init_1.0.2_amd64 /usr/bin/dumb-init
RUN chmod +x /usr/bin/dumb-init

RUN apt-get update -y && \
    apt-get upgrade -y

RUN apt-get install -y ca-certificates wget apt-transport-https vim nano curl && \
    apt-get clean && \
    rm -rf /var/lib/apt/lists/*

RUN echo "deb https://packages.gitlab.com/runner/gitlab-ci-multi-runner/ubuntu/ xenial main" > /etc/apt/sources.list.d/runner_gitlab-ci-multi-runner.list && \
    wget -q -O - https://packages.gitlab.com/gpg.key | apt-key add - && \
    apt-get update -y && \
    apt-get install -y gitlab-ci-multi-runner && \
    mkdir -p /etc/gitlab-runner/certs && \
    chmod -R 700 /etc/gitlab-runner && \
    apt-get clean && \
    rm -rf /var/lib/apt/lists/*

RUN echo "deb [arch=amd64] https://download.docker.com/linux/ubuntu xenial stable" > /etc/apt/sources.list.d/docker.list && \
    curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add - && \
    apt-get update -y && \
    apt-get install docker-ce -y && \
    apt-get clean && \
    rm -rf /var/lib/apt/lists/*

ADD entrypoint /
RUN chmod +x /entrypoint

ENTRYPOINT ["/usr/bin/dumb-init", "/entrypoint"]
CMD ["run", "--user=gitlab-runner", "--working-directory=/home/gitlab-runner"]