Dockerfile

FROM openjdk:8u162-jdk

MAINTAINER Carlos Sanchez <carlos@apache.org>

ENV JENKINS_SWARM_VERSION 3.12
ENV JENKINS_SWARM_DOWNLOAD_SITE https://repo.jenkins-ci.org/releases/org/jenkins-ci/plugins/swarm-client
ENV JENKINS_HOME /home/jenkins-slave
ENV JENKINS_USER jenkins-slave

# install netstat to allow connection health check with
# netstat -tan | grep ESTABLISHED
RUN apt-get update && apt-get install -y net-tools && rm -rf /var/lib/apt/lists/*

RUN useradd -c "Jenkins Slave user" -d "${JENKINS_HOME}" -U -s /sbin/nologin -m "${JENKINS_USER}"
RUN curl --create-dirs -sSLo /usr/share/jenkins/swarm-client-${JENKINS_SWARM_VERSION}.jar \
  ${JENKINS_SWARM_DOWNLOAD_SITE}/${JENKINS_SWARM_VERSION}/swarm-client-${JENKINS_SWARM_VERSION}.jar \
  && chmod 755 /usr/share/jenkins

COPY jenkins-slave.sh /usr/local/bin/jenkins-slave.sh

USER "${JENKINS_USER}"

ENTRYPOINT ["/usr/local/bin/jenkins-slave.sh"]