FROM jenkins/jenkins

USER root
RUN groupadd -g 281 docker
RUN usermod -aG docker jenkins

RUN apt-get update
RUN apt-get install -y\
        ca-certificates \
        curl \
        gnupg

RUN mkdir -m 0755 -p /etc/apt/keyrings
RUN curl -fsSL https://download.docker.com/linux/debian/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg

RUN echo \
      "deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/debian \
      "$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" | \
      tee /etc/apt/sources.list.d/docker.list > /dev/null

RUN apt-get update
RUN apt-get install -y docker-ce-cli

COPY --chown=jenkins:jenkins executors.groovy /usr/share/jenkins/ref/init.groovy.d/executors.groovy

USER jenkins
RUN jenkins-plugin-cli --plugins "blueocean docker-workflow"