Fixes error in Dockerfile

Dockerfile

@@ -42,7 +42,7 @@ RUN pip install --upgrade pip && \
     pip install -r ./requirements_Docker.txt
 
 # Run the script to initialize and cache the fine-tuned embedding model
-RUN python ./init_model.py
+RUN python ./init_embedding_model.py
 
 # Expose the port the app runs on
 EXPOSE $LISTEN_PORT