# testing/Containerfile
#
# Build a Podman container image from the latest
# stable version of Podman on the Fedoras Updates System.
# 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 registry.fedoraproject.org/fedora:latest

# Don't include container-selinux and remove
# directories used by dnf that are just taking
# up space.
RUN dnf -y update && \
    rpm --setcaps shadow-utils 2>/dev/null && \
    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

# 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

# chmod containers.conf and adjust storage.conf to enable Fuse storage.
RUN chmod 644 /etc/containers/containers.conf && \
     sed -i -e 's|^#mount_program|mount_program|g' \
            -e '/additionalimage.*/a "/var/lib/shared",' \
            -e 's|^mountopt[[:space:]]*=.*$|mountopt = "nodev,fsync=0"|g' \
            /etc/containers/storage.conf
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=""