changes to allow iframing of jupyter server

Dockerfile

@@ -34,10 +34,14 @@ USER $NB_UID
 EXPOSE 8888
 
 # Run Jupyter Notebook, disabling token & password
-CMD ["start.sh", "jupyter", "notebook", \
-     "--ip=0.0.0.0", \
-     "--port=8888", \
-     "--no-browser", \
-     "--NotebookApp.token=''", \
-     "--NotebookApp.password=''"]
-
+CMD ["start.sh", "jupyter", "notebook",
+     "--ip=0.0.0.0",
+     "--port=8888",
+     "--no-browser",
+     "--NotebookApp.token=''",
+     "--NotebookApp.password=''",
+     "--NotebookApp.allow_origin='*'",
+     "--NotebookApp.disable_check_xsrf='True'",
+     "--NotebookApp.allow_remote_access=True",
+     "--NotebookApp.tornado_settings={'headers': {'Content-Security-Policy': \"frame-ancestors *\", 'X-Frame-Options': 'ALLOWALL'}}"
+]