chore(podman): use overlayfs replace vfs

Author: duanhongyi

rootfs/Dockerfile

@@ -15,6 +15,7 @@ RUN export DEBIAN_FRONTEND=noninteractive \
   && apt-get update \
   && apt-get -y -t buster-backports install libseccomp2 \
   && apt-get install -y podman \
+  && sed -i "s|#mount_program = \"/usr/bin/fuse-overlayfs\"|mount_program = \"/usr/bin/fuse-overlayfs\"|g" /etc/containers/storage.conf \
   && apt-get upgrade -y --no-install-recommends \
   && apt-get install -y --no-install-recommends \
     lsb-release \

rootfs/usr/local/bin/docker

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 shopt -s expand_aliases
-alias podman="podman --storage-driver=vfs --cgroup-manager=cgroupfs --events-backend=file"
+alias podman="podman --cgroup-manager=cgroupfs --events-backend=file"
 
 if [ "$1" == "push" ]; then
   podman "$@" --format=v2s2