fix: use HF_HOME instead of TRANSFORMERS_CACHE

Dockerfile

@@ -79,10 +79,10 @@ ENV PYTHONUNBUFFERED=1 \
     RESOURCES_DIR=/app/resources \
     APP_ROOT=/app \
     FLASK_APP=lpm_kernel.app \
-    TRANSFORMERS_CACHE=/app/.cache/huggingface
+    HF_HOME=/app/.cache/huggingface
 
 # Expose ports
 EXPOSE 8002 8080
 
 # Set the startup command
-CMD ["./start.sh"]
+CMD ["./start.sh"]