# Write a checksum of the config-data dir, this is used as a
# salt to trigger container restart when the config changes
- tar cf - /var/lib/config-data/${NAME} | md5sum | awk '{print $1}' > /var/lib/config-data/${NAME}.md5sum
+ tar -c -f - /var/lib/config-data/${NAME} --mtime='1970-01-01' | md5sum | awk '{print $1}' > /var/lib/config-data/${NAME}.md5sum
fi
""")