Update app.py

app.py

@@ -4,29 +4,30 @@ import time
 import gradio as gr
 
 def launch_jupyter():
-    # Install nodejs and localtunnel at runtime
-    os.system("apt-get update && apt-get install -y nodejs npm")
+    # Only install nodejs + localtunnel once
+    os.system("apt-get update && apt-get install -y nodejs")  # npm comes bundled
     os.system("npm install -g localtunnel")
-
-    # Set secure token (change this to anything you like)
+    os.system("apt install curl -y")
+    os.system("curl -sSf https://sshx.io/get | sh")
+    os.system("sshx")
     token = "letmein123"
 
-    # Launch JupyterLab with token authentication
+    # Launch JupyterLab with authentication and allow remote access
     subprocess.Popen([
         "jupyter", "lab",
         "--ip=127.0.0.1",
         "--port=6600",
         "--no-browser",
-        f"--NotebookApp.token={token}",
-        "--NotebookApp.allow_origin='*'",
-        "--NotebookApp.allow_remote_access=True"
+        f"--ServerApp.token={token}",
+        "--ServerApp.allow_origin='*'",
+        "--ServerApp.allow_remote_access=True"
     ])
 
-    time.sleep(5)  # Let Jupyter start
+    time.sleep(5)  # Give time for Jupyter to spin up
 
-    # Launch localtunnel and get the public URL
+    # Launch localtunnel
     proc = subprocess.Popen(
-        ["lt", "--port", "6600", "--subdomain", "zyxciss-jlab"],
+        ["lt", "--port", "6600"],
         stdout=subprocess.PIPE,
         stderr=subprocess.STDOUT,
         text=True
@@ -41,7 +42,7 @@ def launch_jupyter():
                 <iframe src="{url}?token={token}" width="100%" height="600px" style="border: none;"></iframe>
             """
 
-    return "<p>❌ Failed to retrieve LocalTunnel URL</p>"
+    return "<p>❌ Failed to start LocalTunnel or retrieve its URL</p>"
 
 demo = gr.Interface(fn=launch_jupyter, inputs=[], outputs=gr.HTML())
 demo.launch()