Clear HF cache every startup

app.py

@@ -9,6 +9,14 @@ from langchain_chroma import Chroma
 
 import gradio as gr
 import os
+import shutil, os
+
+# Clear HF cache every startup
+shutil.rmtree("/root/.cache/huggingface", ignore_errors=True)
+
+# Redirect future cache to tmp (RAM)
+os.environ["HF_HOME"] = "/tmp"
+os.environ["TRANSFORMERS_CACHE"] = "/tmp"
 
 load_dotenv()