FROM debian:bullseye-slim ARG TARGETARCH ENV DOCKER_URL=https://download.docker.com/linux/debian ENV GPG_FILE=/etc/apt/keyrings/docker.gpg ENV DEBIAN_VERSION=bullseye RUN apt-get update && \ apt-get install -y \ ca-certificates \ curl \ gnupg && \ rm -rf /var/lib/apt/lists/* && \ mkdir -p /etc/apt/keyrings && \ curl -fsSL "$DOCKER_URL/gpg" | gpg --dearmor -o "$GPG_FILE" && \ echo "deb [arch=$TARGETARCH signed-by=$GPG_FILE] $DOCKER_URL $DEBIAN_VERSION stable" > \ /etc/apt/sources.list.d/docker.list && \ apt-get update && \ apt-get install -y \ binfmt-support \ docker-ce-cli \ make \ qemu-user-static && \ rm -rf /var/lib/apt/lists/* COPY entrypoint.sh /entrypoint.sh RUN chmod +x /entrypoint.sh ENTRYPOINT ["/entrypoint.sh"]