FROM eclipse-temurin:21-jre

RUN apt-get update \
    && apt-get install -y --no-install-recommends \
        ca-certificates \
        curl \
        docker.io \
        python3 \
        python3-pip \
    && pip3 install --break-system-packages --no-cache-dir "setuptools<81" "jenkins-job-builder>=6.4.3" \
    && rm -rf /var/lib/apt/lists/*

RUN curl -fsSL -o /usr/local/bin/swarm-client.jar \
    https://repo.jenkins-ci.org/releases/org/jenkins-ci/plugins/swarm-client/3.51/swarm-client-3.51.jar

COPY entrypoint.sh /usr/local/bin/entrypoint.sh
RUN chmod +x /usr/local/bin/entrypoint.sh

ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]