FROM docker.io/jenkins/agent:latest
USER root
SHELL ["/bin/bash", "-o", "pipefail", "-c"]
RUN apt-get update && \
    apt-get install -y --no-install-recommends ca-certificates curl gnupg && \
    install -m 0755 -d /etc/apt/keyrings && \
    curl -fsSL https://download.docker.com/linux/debian/gpg |\
      gpg --dearmor -o /etc/apt/keyrings/docker.gpg && \
    chmod a+r /etc/apt/keyrings/docker.gpg && \
    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 && \
      apt-get update && \
      apt-get install -y --no-install-recommends docker-ce-cli && \
      rm -rf /var/lib/apt/lists/*
USER jenkins