FROM centos:8 ENV SUMMARY="podman-docker-builder" \ DESCRIPTION="build docker images using podman" LABEL maintainer="Gerd Hoffmann " \ summary="${SUMMARY}" \ description="${DESCRIPTION}" USER root RUN dnf update -y && \ dnf install -y podman podman-docker buildah && \ dnf clean all -y COPY configure-podman /root RUN /root/configure-podman