# upstream/Containerfile # # Build a Podman container image from the latest # upstream version of Podman on GitHub. # https://github.com/containers/podman # This image can be used to create a secured container # that runs safely with privileges within the container. # The containers created by this image also come with a # Podman development environment in /root/podman. # FROM registry.fedoraproject.org/fedora:latest # Don't include container-selinux and remove # directories used by dnf that are just taking # up space. The latest podman + deps. come from # https://copr.fedorainfracloud.org/coprs/rhcontainerbot/podman-next/ # TODO: rpm --setcaps... needed due to Fedora (base) image builds # being (maybe still?) affected by # https://bugzilla.redhat.com/show_bug.cgi?id=1995337#c3 RUN dnf -y update && \ rpm --setcaps shadow-utils 2>/dev/null && \ dnf -y install 'dnf-command(copr)' --enablerepo=updates-testing && \ dnf -y copr enable rhcontainerbot/podman-next && \ dnf -y install podman fuse-overlayfs \ --exclude container-selinux \ --enablerepo=updates-testing && \ dnf clean all && \ rm -rf /var/cache /var/log/dnf* /var/log/yum.* RUN useradd podman; \ echo -e "podman:1:999\npodman:1001:64535" > /etc/subuid; \ echo -e "podman:1:999\npodman:1001:64535" > /etc/subgid; ARG _REPO_URL="https://raw.githubusercontent.com/containers/podman/main/contrib/podmanimage/stable" ADD $_REPO_URL/containers.conf /etc/containers/containers.conf ADD $_REPO_URL/podman-containers.conf /home/podman/.config/containers/containers.conf RUN mkdir -p /home/podman/.local/share/containers && \ chown podman:podman -R /home/podman && \ chmod 644 /etc/containers/containers.conf # Copy & modify the defaults to provide reference if runtime changes needed. # Changes here are required for running with fuse-overlay storage inside container. RUN sed -e 's|^#mount_program|mount_program|g' \ -e '/additionalimage.*/a "/var/lib/shared",' \ -e 's|^mountopt[[:space:]]*=.*$|mountopt = "nodev,fsync=0"|g' \ /usr/share/containers/storage.conf \ > /etc/containers/storage.conf # Note VOLUME options must always happen after the chown call above # RUN commands can not modify existing volumes VOLUME /var/lib/containers VOLUME /home/podman/.local/share/containers RUN mkdir -p /var/lib/shared/overlay-images \ /var/lib/shared/overlay-layers \ /var/lib/shared/vfs-images \ /var/lib/shared/vfs-layers && \ touch /var/lib/shared/overlay-images/images.lock && \ touch /var/lib/shared/overlay-layers/layers.lock && \ touch /var/lib/shared/vfs-images/images.lock && \ touch /var/lib/shared/vfs-layers/layers.lock ENV _CONTAINERS_USERNS_CONFIGURED=""