fix: update Dockerfile

Dockerfile

@@ -98,6 +98,8 @@ RUN apt-get autoremove \
     && rm -rf ~/.cache
 
 # Download nltk packages as required for unstructured
-# RUN python -c "from unstructured.nlp.tokenize import _download_nltk_packages_if_not_present; _download_nltk_packages_if_not_present()"
+RUN python -c "from unstructured.nlp.tokenize import _download_nltk_packages_if_not_present; _download_nltk_packages_if_not_present()"
 
-CMD ["python", "app.py"]
+ENV KH_SSO_ENABLED=true
+ENV GR_FILE_ROOT_PATH="/app"
+ENTRYPOINT ["uvicorn", "sso_app:app", "--host", "0.0.0.0", "--port", "8080"]