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diff --git a/contrib/podmanimage/upstream/Containerfile b/contrib/podmanimage/upstream/Containerfile
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+# 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/
+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 $_REPO_URL/podman-containers.conf /home/podman/.config/containers/containers.conf
+
+RUN mkdir -p /home/podman/.local/share/containers && \
+    chown podman:podman -R /home/podman && \
+    chmod 644 /etc/containers/containers.conf
+
+# Copy & modify the defaults to provide reference if runtime changes needed.
+# Changes here are required for running with fuse-overlay storage inside container.
+RUN sed -i -e 's|^#mount_program|mount_program|g' \
+           -e '/additionalimage.*/a "/var/lib/shared",' \
+           -e 's|^mountopt[[:space:]]*=.*$|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=""