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+# testing/Dockerfile
+#
+# Build a Podman image using the latest
+# version of Podman that is in updates-testing
+# on the Fedoras Updates System. At times this
+# may be the same the latest stable version.
+# https://bodhi.fedoraproject.org/updates/?search=podman
+# This image can be used to create a secured container
+# that runs safely with privileges within the container.
+#
+FROM fedora:latest
+
+# Don't include container-selinux and remove
+# directories used by dnf that are just taking
+# up space.
+RUN yum -y install podman fuse-overlayfs --exclude container-selinux --enablerepo updates-testing; rm -rf /var/cache /var/log/dnf* /var/log/yum.*
+
+# Adjust storage.conf to enable Fuse storage.
+RUN sed -i -e 's|^#mount_program|mount_program|g' -e '/additionalimage.*/a "/var/lib/shared",' /etc/containers/storage.conf
+RUN mkdir -p /var/lib/shared/overlay-images /var/lib/shared/overlay-layers; touch /var/lib/shared/overlay-images/images.lock; touch /var/lib/shared/overlay-layers/layers.lock
+
+# Adjust libpod.conf to write logging to a file
+RUN sed -i 's/events_logger = "journald"/events_logger = "file"/g' /usr/share/containers/libpod.conf
+
+# Set up environment variables to note that this is
+# not starting with usernamespace and default to
+# isolate the filesystem with chroot.
+ENV _BUILDAH_STARTED_IN_USERNS="" BUILDAH_ISOLATION=chroot