update to python fastpi

Backend/run.py

@@ -0,0 +1,23 @@
+#!/usr/bin/env python3
+"""
+Main entry point for the FastAPI server
+"""
+import uvicorn
+import os
+from dotenv import load_dotenv
+
+load_dotenv()
+
+if __name__ == "__main__":
+    port = int(os.getenv("PORT", 8000))
+    host = os.getenv("HOST", "0.0.0.0")
+    reload = os.getenv("NODE_ENV") == "development"
+    
+    uvicorn.run(
+        "src.main:app",
+        host=host,
+        port=port,
+        reload=reload,
+        log_level="info"
+    )
+