jenkins.dockerfile

FROM debian:buster-slim

RUN apt-get update && apt-get install -y git curl gpg unzip libfreetype6 libfontconfig1 && rm -rf /var/lib/apt/lists/*

ENV LANG C.UTF-8

ARG TARGETARCH
ARG GIT_LFS_VERSION=2.13.3
RUN apt-get update && apt-get upgrade -y && apt-get install -y git curl dpkg gpg tar wget && rm -rf /var/lib/apt/lists/*
RUN wget -q -O - https://pkg.jenkins.io/debian/jenkins.io.key | apt-key add - && echo "deb https://pkg.jenkins.io/debian binary/" >> /etc/apt/sources.list && apt-get update && apt-get upgrade -y && mkdir -p /usr/share/man/man1

COPY jenkins/git_lfs_pub.gpg /tmp/git_lfs_pub.gpg

ARG user=jenkins
ARG group=jenkins
ARG uid=1000
ARG gid=1000
ARG http_port=8080
ARG agent_port=50000
ARG JENKINS_HOME=/var/jenkins_home
ARG REF=/usr/share/jenkins/ref

ENV JENKINS_HOME $JENKINS_HOME
ENV JENKINS_SLAVE_AGENT_PORT ${agent_port}
ENV REF $REF

# 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 mkdir -p $JENKINS_HOME \
  && chown ${uid}:${gid} $JENKINS_HOME \
  && 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 $JENKINS_HOME

# $REF (defaults to `/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 ${REF}/init.groovy.d

# Use tini as subreaper in Docker container to adopt zombie processes
COPY jenkins/tini_pub.gpg "${JENKINS_HOME}/tini_pub.gpg"
RUN apt-get install -y tini jenkins python3 qemu git-lfs default-jdk

ENV JENKINS_UC https://updates.jenkins.io
ENV JENKINS_UC_EXPERIMENTAL=https://updates.jenkins.io/experimental
ENV JENKINS_INCREMENTALS_REPO_MIRROR=https://repo.jenkins-ci.org/incrementals
RUN chown -R ${user} "$JENKINS_HOME" "$REF"

ARG PLUGIN_CLI_VERSION=2.11.0
ARG PLUGIN_CLI_URL=https://github.com/jenkinsci/plugin-installation-manager-tool/releases/download/${PLUGIN_CLI_VERSION}/jenkins-plugin-manager-${PLUGIN_CLI_VERSION}.jar
RUN curl -fsSL ${PLUGIN_CLI_URL} -o /opt/jenkins-plugin-manager.jar

# for main web interface:
EXPOSE ${http_port}

# will be used by attached agents:
EXPOSE ${agent_port}

ENV COPY_REFERENCE_FILE_LOG $JENKINS_HOME/copy_reference_file.log

ENV JAVA_HOME=/opt/java/openjdk
ENV PATH "${JAVA_HOME}/bin:${PATH}"
USER ${user}

COPY jenkins/jenkins-support /usr/local/bin/jenkins-support
COPY jenkins/jenkins.sh /usr/local/bin/jenkins.sh
COPY jenkins/tini-shim.sh /bin/tini
COPY jenkins/jenkins-plugin-cli.sh /bin/jenkins-plugin-cli

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

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

# metadata labels
LABEL \
    org.opencontainers.image.vendor="Jenkins project" \
    org.opencontainers.image.title="Unofficial Jenkins Docker image with Python, QEMU, and Java 11" \
    org.opencontainers.image.description="The Jenkins Continuous Integration and Delivery server with Python, QEMU, and Java 11" \
    org.opencontainers.image.version="${JENKINS_VERSION}" \
    org.opencontainers.image.url="https://www.jenkins.io/" \
    org.opencontainers.image.source="https://github.com/jenkinsci/docker" \
    org.opencontainers.image.licenses="MIT"