diff --git a/Dockerfile b/Dockerfile
index 5dde613..ba52571 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -34,4 +34,5 @@ ADD https://gist.githubusercontent.com/nemunaire/9669659/raw/977cfce7246249c17e2
 
 ENTRYPOINT ["/docker-entrypoint.sh"]
 USER nagios
+VOLUME ["/etc/nagios", "/var/nagios"]
 CMD ["/usr/sbin/nagios", "/etc/nagios/nagios.cfg"]