ContainerImage.InotifyRsync/init/entrypoint.sh

#!/bin/sh
set -eox pipefail

if [ "$RUN_ONCE" = "true" ]; then
    rsync -avz $SOURCE_DIR $TARGET_DIR
else
    while inotifywait -r -e modify,create,delete,move $SOURCE_DIR; do
        rsync -avz $SOURCE_DIR $TARGET_DIR
    done
fi