Dockerfile

# The MIT License
#
#  Copyright (c) 2015-2020, CloudBees, Inc. and other Jenkins contributors
#
#  Permission is hereby granted, free of charge, to any person obtaining a copy
#  of this software and associated documentation files (the "Software"), to deal
#  in the Software without restriction, including without limitation the rights
#  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
#  copies of the Software, and to permit persons to whom the Software is
#  furnished to do so, subject to the following conditions:
#
#  The above copyright notice and this permission notice shall be included in
#  all copies or substantial portions of the Software.
#
#  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
#  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
#  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
#  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
#  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
#  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
#  THE SOFTWARE.

FROM archlinux:base-20240825.0.257728 AS jre-build

# This Build ARG is populated by Docker
# Ref. https://docs.docker.com/engine/reference/builder/#automatic-platform-args-in-the-global-scope
ARG TARGETPLATFORM

SHELL ["/bin/bash", "-e", "-u", "-o", "pipefail", "-c"]

COPY adoptium-get-jdk-link.sh /usr/bin/local/adoptium-get-jdk-link.sh
COPY adoptium-install-jdk.sh /usr/bin/local/adoptium-install-jdk.sh

ARG JAVA_VERSION=17.0.10_7
# hadolint ignore=DL3008
RUN pacman -Syu --noconfirm \
    ca-certificates \
    jq \
    curl \
  && /usr/bin/local/adoptium-install-jdk.sh

ENV PATH="/opt/jdk-${JAVA_VERSION}/bin:${PATH}"

# Generate smaller java runtime without unneeded files
# for now we include the full module path to maintain compatibility
# while still saving space (approx 200mb from the full distribution)
RUN jlink \
  --add-modules ALL-MODULE-PATH \
  --strip-debug \
  --no-man-pages \
  --no-header-files \
  --compress=2 \
  --output /javaruntime

FROM archlinux:base-20240825.0.257728

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

RUN groupadd -g "${gid}" "${group}" \
  && useradd -l -c "Jenkins user" -d /home/"${user}" -u "${uid}" -g "${gid}" -m "${user}"

ARG AGENT_WORKDIR=/home/"${user}"/agent
ENV TZ=Etc/UTC

RUN pacman -Syu curl git git-lfs openssh tzdata --noconfirm

ARG VERSION=3261.v9c670a_4748a_9
ADD --chown="${user}":"${group}" "https://repo.jenkins-ci.org/public/org/jenkins-ci/main/remoting/${VERSION}/remoting-${VERSION}.jar" /usr/share/jenkins/agent.jar
RUN chmod 0644 /usr/share/jenkins/agent.jar \
  && ln -sf /usr/share/jenkins/agent.jar /usr/share/jenkins/slave.jar

ENV JAVA_HOME=/opt/java/openjdk
ENV PATH "${JAVA_HOME}/bin:${PATH}"
COPY --from=jre-build /javaruntime "$JAVA_HOME"

USER "${user}"
ENV AGENT_WORKDIR="${AGENT_WORKDIR}"
RUN mkdir /home/"${user}"/.jenkins && mkdir -p "${AGENT_WORKDIR}"

VOLUME /home/"${user}"/.jenkins
VOLUME "${AGENT_WORKDIR}"
WORKDIR /home/"${user}"
ENV USER=${user}
LABEL \
    org.opencontainers.image.vendor="Jenkins project" \
    org.opencontainers.image.title="Official Jenkins Agent Base Docker image" \
    org.opencontainers.image.description="This is a base image, which provides the Jenkins agent executable (agent.jar)" \
    org.opencontainers.image.version="${VERSION}" \
    org.opencontainers.image.url="https://www.jenkins.io/" \
    org.opencontainers.image.source="https://github.com/jenkinsci/docker-agent" \
    org.opencontainers.image.licenses="MIT"