Fix issue with entry point in serving.properties

Author: siddvenk

src/sagemaker/djl_inference/model.py

@@ -243,6 +243,7 @@ def prepare_container_def(
             else self.sagemaker_session.settings.local_download_dir
         )
         with _tmpdir(directory=local_download_dir) as tmp:
+            logger.info(f"Using tmp dir {tmp}")
             if self.source_dir or self.entry_point:
                 _create_or_update_code_dir(
                     tmp,
@@ -284,7 +285,7 @@ def generate_serving_properties(self, serving_properties={}) -> Dict[str, str]:
         if self.tensor_parallel_degree:
             serving_properties["option.tensor_parallel_degree"] = self.tensor_parallel_degree
         if self.entry_point:
-            serving_properties["entryPoint"] = self.entry_point
+            serving_properties["option.entryPoint"] = self.entry_point
         if self.task:
             serving_properties["option.task"] = self.task
         if self.data_type: