Added index.py launcher for Streamlit on Vercel

index.py

@@ -0,0 +1,7 @@
+import os
+import subprocess
+
+# Run the Streamlit app when deployed on Vercel
+if __name__ == "__main__":
+    port = os.environ.get("PORT", "8000")
+    subprocess.run(["streamlit", "run", "app.py", "--server.port", port, "--server.address", "0.0.0.0"])

vercel.json

@@ -1,14 +1,9 @@
 {
   "version": 2,
   "builds": [
-    { "src": "app.py", "use": "@vercel/python" }
+    { "src": "index.py", "use": "@vercel/python" }
   ],
   "routes": [
-    { "src": "/(.*)", "dest": "app.py" }
-  ],
-  "env": {
-    "STREAMLIT_SERVER_HEADLESS": "true",
-    "STREAMLIT_SERVER_ENABLECORS": "false",
-    "STREAMLIT_SERVER_PORT": "8000"
-  }
+    { "src": "/(.*)", "dest": "index.py" }
+  ]
 }