diff --git a/dokuwiki/backup.sh b/dokuwiki/backup.sh
new file mode 100644
index 0000000..ab786be
--- /dev/null
+++ b/dokuwiki/backup.sh
@@ -0,0 +1,7 @@
+#!/bin/bash
+#
+# dokuwiki backup script
+#
+
+docker run --rm --volumes-from dokuwiki_dokuwiki_1 -v `pwd`:/backup alpine \
+       tar czf /backup/dw-backup-$(date +%Y%m%d-%H%M%S).tar.gz /var/www/html