Problem: direct use of podman in the container

While mock is using it, running `podman` as is doesn't seem to work.

Solution: configure it so that it does

Taken from https://github.com/containers/image_build/blob/main/podman/containers.conf

Author: yrashk

Dockerfile

@@ -26,6 +26,8 @@ COPY Gemfile /pgpm
 COPY pgpm.gemspec /pgpm
 RUN cd /pgpm && bundle
 
+COPY containers.conf /etc/containers/containers.conf
+
 ENV QEMU_CPU max
 
 VOLUME /pgpm

containers.conf

@@ -0,0 +1,12 @@
+[containers]
+netns="host"
+userns="host"
+ipcns="host"
+utsns="host"
+cgroupns="host"
+cgroups="disabled"
+log_driver = "k8s-file"
+[engine]
+cgroup_manager = "cgroupfs"
+events_logger="file"
+runtime="crun"