68 lines
2.5 KiB
Plaintext
68 lines
2.5 KiB
Plaintext
FROM openjdk:8-jdk-alpine
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RUN apk add --no-cache git openssh-client curl unzip bash ttf-dejavu coreutils tini
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ARG user=jenkins
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ARG group=jenkins
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ARG uid=1000
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ARG gid=1000
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ARG http_port=8080
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ARG agent_port=50000
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ENV JENKINS_HOME /var/jenkins_home
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ENV JENKINS_SLAVE_AGENT_PORT ${agent_port}
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# Jenkins is run with user `jenkins`, uid = 1000
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# If you bind mount a volume from the host or a data container,
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# ensure you use the same uid
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RUN addgroup -g ${gid} ${group} \
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&& adduser -h "$JENKINS_HOME" -u ${uid} -G ${group} -s /bin/bash -D ${user}
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# Jenkins home directory is a volume, so configuration and build history
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# can be persisted and survive image upgrades
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VOLUME /var/jenkins_home
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# `/usr/share/jenkins/ref/` contains all reference configuration we want
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# to set on a fresh new installation. Use it to bundle additional plugins
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# or config file with your custom jenkins Docker image.
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RUN mkdir -p /usr/share/jenkins/ref/init.groovy.d
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COPY init.groovy /usr/share/jenkins/ref/init.groovy.d/tcp-slave-agent-port.groovy
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# jenkins version being bundled in this docker image
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ARG JENKINS_VERSION
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ENV JENKINS_VERSION ${JENKINS_VERSION:-2.60.3}
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# jenkins.war checksum, download will be validated using it
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ARG JENKINS_SHA=2d71b8f87c8417f9303a73d52901a59678ee6c0eefcf7325efed6035ff39372a
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# Can be used to customize where jenkins.war get downloaded from
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ARG JENKINS_URL=https://repo.jenkins-ci.org/public/org/jenkins-ci/main/jenkins-war/${JENKINS_VERSION}/jenkins-war-${JENKINS_VERSION}.war
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# could use ADD but this one does not check Last-Modified header neither does it allow to control checksum
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# see https://github.com/docker/docker/issues/8331
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RUN curl -fsSL ${JENKINS_URL} -o /usr/share/jenkins/jenkins.war \
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&& echo "${JENKINS_SHA} /usr/share/jenkins/jenkins.war" | sha256sum -c -
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ENV JENKINS_UC https://updates.jenkins.io
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ENV JENKINS_UC_EXPERIMENTAL=https://updates.jenkins.io/experimental
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RUN chown -R ${user} "$JENKINS_HOME" /usr/share/jenkins/ref
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# for main web interface:
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EXPOSE ${http_port}
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# will be used by attached slave agents:
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EXPOSE ${agent_port}
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ENV COPY_REFERENCE_FILE_LOG $JENKINS_HOME/copy_reference_file.log
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USER ${user}
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COPY jenkins-support /usr/local/bin/jenkins-support
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COPY jenkins.sh /usr/local/bin/jenkins.sh
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ENTRYPOINT ["/sbin/tini", "--", "/usr/local/bin/jenkins.sh"]
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# from a derived Dockerfile, can use `RUN plugins.sh active.txt` to setup /usr/share/jenkins/ref/plugins from a support bundle
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COPY plugins.sh /usr/local/bin/plugins.sh
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COPY install-plugins.sh /usr/local/bin/install-plugins.sh
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