NBI component:

- Corrected initalization script

src/nbi/service/app.py

@@ -85,10 +85,11 @@ def configure_nbi(
 
     return nbi_app
 
+nbi_app = configure_nbi(base_url=BASE_URL)
+
 if __name__ == '__main__':
     # Only used to run it locally during development stage;
     # otherwise, app is directly launched by gunicorn.
-    _nbi_app = configure_nbi(base_url=BASE_URL)
     _nbi_app.run_standalone(
         bind_address=BIND_ADDRESS, bind_port=BIND_PORT
     )