diff --git a/Dockerfile b/Dockerfile
index a08c850..e4c5657 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,5 @@
 FROM developeranaz/jupyter-rclone
+RUN apt install net-tools
 COPY entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh
 CMD /entrypoint.sh
diff --git a/entrypoint.sh b/entrypoint.sh
index 9991710..5c4bb2a 100644
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -1,3 +1,3 @@
 #!/bin/bash
-
-jupyter notebook --ip=0.0.0.0 --port=$PORT --NotebookApp.token='' --NotebookApp.password=''
+echo $PORT >/PORT
+jupyter notebook --ip=0.0.0.0 --port=$(cat /PORT) --NotebookApp.token='' --NotebookApp.password=''