diff --git a/Dockerfile b/Dockerfile
index 53a08aaae48064111fef7bc61f55359ed909d516..68dd555551a2b30fecd09218dbb1613fb14396cd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,6 +12,8 @@ COPY ./hub-backend /root/trackdirect
 
 RUN pip install -r /root/trackdirect/requirements.txt
 
+EXPOSE 9000
+
 VOLUME /root/trackdirect/config
 
 CMD /root/trackdirect/server/scripts/wsserver.sh trackdirect.ini