Update Dockerfile

Dockerfile

@@ -5,15 +5,13 @@ FROM python:3.10-slim
 WORKDIR /app
 
 # Copy the requirements file first for layer caching
-# This assumes your requirements.txt is in the root of the space
 COPY requirements.txt .
 
-# Install dependencies, including Gunicorn for serving the app
-# The '--no-cache-dir' keeps the image size small
+# Install dependencies
 RUN pip install --no-cache-dir -r requirements.txt
 
 # --- NLTK FIX: Download ALL necessary data as the root user ---
-# Set the environment variable to point NLTK to the local app folder.
+# NLTK_DATA environment variable points NLTK to the safe location
 ENV NLTK_DATA=/app/nltk_data
 
 # Use the -d flag to force the downloader to put the data into the safe location
@@ -23,8 +21,13 @@ RUN python -m nltk.downloader -d /app/nltk_data stopwords
 RUN python -m nltk.downloader -d /app/nltk_data wordnet
 # --- NLTK FIX END ---
 
+# --- HUGGING FACE FIX: Redirect cache to a writable location ---
+# HF_HOME tells Hugging Face/Transformers where to store models and cache files.
+# /app/.cache is guaranteed to be writable by the running user.
+ENV HF_HOME=/app/.cache
+# --- HUGGING FACE FIX END ---
+
 # Copy the rest of your application code and folders
-# This includes app.py, services, routes, static, templates, etc.
 COPY . .
 
 # Hugging Face Spaces requires the app to listen on port 7860