Update app.py

app.py

@@ -1,11 +1,10 @@
 import os
 
-# Set environment variables to avoid permission issues
+# Set cache dirs (must match Dockerfile env vars)
 os.environ['HOME'] = '/app'
-os.environ['TRANSFORMERS_CACHE'] = '/tmp/hf_cache'  # more reliable than /app
-os.environ['LANGTOOL_HOME'] = '/tmp/languagetool'
-os.environ['XDG_CACHE_HOME'] = '/tmp'  # Optional: helps other libs too
-
+os.environ['HF_HOME'] = '/app/.hf_cache'
+os.environ['LANGTOOL_HOME'] = '/app/.ltool_cache'
+os.environ['XDG_CACHE_HOME'] = '/app/.cache'
 
 
 from flask import Flask, request, jsonify