diff --git a/Dockerfile b/Dockerfile
index 3449ab18..0f6d71d8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -18,11 +18,14 @@ COPY . /home/pi/pialert
 # Pi.Alert | also we probably should/can delete the tar from the repo and remove this line
 RUN rm -r /home/pi/pialert/tar \
     && python /home/pi/pialert/back/pialert.py update_vendors \    
+    && sed -ie 's/= 80/= 20211/g' /etc/lighttpd/lighttpd.conf \
     && (crontab -l 2>/dev/null; cat /home/pi/pialert/install/pialert.cron) | crontab -
 
+EXPOSE 20211
+
 # https://github.com/rtsp/docker-lighttpd/blob/main/Dockerfile
 # > this one maybe better? https://hub.docker.com/r/jitesoft/lighttpd
 # Todo, refacto CMD so that we can run lighttpd and make it respond instant
 # The above Dockerfile is doing this well, but i don't see why it isn't working for us
 
-CMD ["/home/pi/pialert/dockerfiles/start.sh"]
\ No newline at end of file
+CMD ["/home/pi/pialert/dockerfiles/start.sh"]