Dockerfile

FROM openjdk:8-jdk

MAINTAINER Andrew Kochura <alexeevi40327@gmail.com>

RUN apt-get update && apt-get install -y git curl zip && apt-get install -y expect && rm -rf /var/lib/apt/lists/*

ENV JENKINS_HOME /var/jenkins_home
ENV JENKINS_SLAVE_AGENT_PORT 50000

ARG user=jenkins
ARG group=jenkins
ARG uid=1000
ARG gid=1000

# Jenkins is run with user `jenkins`, uid = 1000
# If you bind mount a volume from the host or a data container,
# ensure you use the same uid
RUN groupadd -g ${gid} ${group} \
    && useradd -d "$JENKINS_HOME" -u ${uid} -g ${gid} -m -s /bin/bash ${user}

# Jenkins home directory is a volume, so configuration and build history
# can be persisted and survive image upgrades
VOLUME /var/jenkins_home

# `/usr/share/jenkins/ref/` contains all reference configuration we want
# to set on a fresh new installation. Use it to bundle additional plugins
# or config file with your custom jenkins Docker image.
RUN mkdir -p /usr/share/jenkins/ref/init.groovy.d

ENV TINI_VERSION 0.9.0
ENV TINI_SHA fa23d1e20732501c3bb8eeeca423c89ac80ed452

# Use tini as subreaper in Docker container to adopt zombie processes
RUN curl -fsSL https://github.com/krallin/tini/releases/download/v${TINI_VERSION}/tini-static -o /bin/tini && chmod +x /bin/tini \
  && echo "$TINI_SHA  /bin/tini" | sha1sum -c -

COPY init.groovy /usr/share/jenkins/ref/init.groovy.d/tcp-slave-agent-port.groovy

# jenkins version being bundled in this docker image
ARG JENKINS_VERSION
ENV JENKINS_VERSION ${JENKINS_VERSION:-2.23}

# jenkins.war checksum, download will be validated using it
ARG JENKINS_SHA=6c47f8f6019b9a2be17662033444ce7eec03f4fa

# Can be used to customize where jenkins.war get downloaded from
ARG JENKINS_URL=http://repo.jenkins-ci.org/public/org/jenkins-ci/main/jenkins-war/${JENKINS_VERSION}/jenkins-war-${JENKINS_VERSION}.war

# could use ADD but this one does not check Last-Modified header neither does it allow to control checksum
# see https://github.com/docker/docker/issues/8331
RUN curl -fsSL ${JENKINS_URL} -o /usr/share/jenkins/jenkins.war \
  && echo "${JENKINS_SHA}  /usr/share/jenkins/jenkins.war" | sha1sum -c -

ENV JENKINS_UC https://updates.jenkins.io
RUN chown -R ${user} "$JENKINS_HOME" /usr/share/jenkins/ref

# for main web interface:
EXPOSE 8080

# will be used by attached slave agents:
EXPOSE 50000

ENV COPY_REFERENCE_FILE_LOG $JENKINS_HOME/copy_reference_file.log

USER ${user}

# from a derived Dockerfile, can use `RUN install-plugins.sh active.txt` to setup /usr/share/jenkins/ref/install-plugins from a support bundle
COPY install-plugins.sh /usr/local/bin/install-plugins.sh
COPY jenkins-support /usr/local/bin/jenkins-support
COPY jenkins.sh /usr/local/bin/jenkins.sh

COPY android-sdk-tools/android-update-sdk /usr/local/bin/android-update-sdk
COPY android-sdk-tools/android-sdk-producer /usr/local/bin/android-sdk-producer
COPY android-sdk-tools/android-accept-sdk-license /usr/local/bin/android-accept-sdk-license
COPY android-sdk-tools/android_wait_for_emulator /usr/local/bin/android_wait_for_emulator

USER root

RUN chmod +x /usr/local/bin/jenkins.sh \
             /usr/local/bin/android-update-sdk \
             /usr/local/bin/android-sdk-producer \
             /usr/local/bin/android-accept-sdk-license \
             /usr/local/bin/android_wait_for_emulator

USER ${user}

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