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FROM openjdk:8-jdk

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

ARG user=jenkins

ARG group=jenkins

ARG uid=1000

ARG gid=1000

ARG http_port=8080

ARG agent_port=50000

ENV JENKINS_HOME /var/jenkins_home

ENV JENKINS_SLAVE_AGENT_PORT ${agent_port}

# 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 0.14.0

ENV TINI_SHA 6c41ec7d33e857d4779f14d9c74924cab0c7973485d2972419a3b7c7620ff5fd

# 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-amd64 -o /bin/tini && chmod +x /bin/tini \

&& echo "$TINI_SHA /bin/tini" | sha256sum -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:-2.60.3}

# jenkins.war checksum, download will be validated using it

ARG JENKINS_SHA=2d71b8f87c8417f9303a73d52901a59678ee6c0eefcf7325efed6035ff39372a

# Can be used to customize where jenkins.war get downloaded from

ARG JENKINS_URL=https://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" | sha256sum -c -

ENV JENKINS_UC https://updates.jenkins.io

ENV JENKINS_UC_EXPERIMENTAL=https://updates.jenkins.io/experimental

RUN chown -R ${user} "$JENKINS_HOME" /usr/share/jenkins/ref

# for main web interface:

EXPOSE ${http_port}

# will be used by attached slave agents:

EXPOSE ${agent_port}

ENV COPY_REFERENCE_FILE_LOG $JENKINS_HOME/copy_reference_file.log

USER ${user}

COPY jenkins-support /usr/local/bin/jenkins-support

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

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

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

COPY plugins.sh /usr/local/bin/plugins.sh

COPY install-plugins.sh /usr/local/bin/install-plugins.sh

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PL/B Language Development and Support

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