Merge branch 'master' of github.com:lablup/backend.ai-kernels

Author: hephaex

commons/service-defs/jupyterlab.json

@@ -8,7 +8,9 @@
           "c.NotebookApp.ip = \"0.0.0.0\"\n",
           "c.NotebookApp.port = {ports[0]}\n",
           "c.NotebookApp.token = \"\"\n",
-          "c.FileContentsManager.delete_to_trash = False\n"
+          "c.FileContentsManager.delete_to_trash = False\n",
+          "c.NotebookApp.tornado_settings = {{'headers': {{'Content-Security-Policy': \"frame-ancestors * 'self' \"}}}}\n",
+          "c.JupyterHub.tornado_settings = {{'headers': {{'Content-Security-Policy': \"frame-ancestors * 'self' \"}}}}\n"
         ]
       },
       "ref": "jupyter_cfg"