parameterize FastAPI app name, to be overridden by external caller if needed

model_server/scripts/run_server.py

@@ -30,12 +30,12 @@ def parse_args():
     return parser.parse_args()
 
 
-def main(args) -> None:
+def main(args, app_name='model_server.base.api:app') -> None:
 
     print('CLI args:\n' + str(args))
     server_process = Process(
         target=uvicorn.run,
-        args=('model_server.base.api:app',),
+        args=(app_name,),
         kwargs={
             'app_dir': '.',
             'host': args.host,