diff --git a/Dockerfile b/Dockerfile
index 08eeec5..aea3dcd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -24,6 +24,7 @@ RUN \
 
 EXPOSE 2222
 
+VOLUME /opt/data
 
 # USER 1000:1000
 WORKDIR ${APP_DIR}