Update Dockerfile

Dockerfile

@@ -10,22 +10,24 @@ COPY requirements.txt .
 # Install dependencies
 RUN pip install --no-cache-dir -r requirements.txt
 
-# --- NLTK FIX: Download ALL necessary data as the root user ---
-# NLTK_DATA environment variable points NLTK to the safe location
+# --- NLTK FIX ---
+# Create safe NLTK directory and set path
 ENV NLTK_DATA=/app/nltk_data
-
-# Use the -d flag to force the downloader to put the data into the safe location
-# The Python code relies on these files being present here.
 RUN python -m nltk.downloader -d /app/nltk_data punkt
 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.
+# --- HUGGING FACE CACHE FIX & PERMISSIONS ---
 ENV HF_HOME=/app/.cache
-# --- HUGGING FACE FIX END ---
+
+# 1. Create the cache directory as the root user.
+RUN mkdir -p /app/.cache
+
+# 2. CRITICAL STEP: Give write permissions to the running user group (non-root)
+# This solves the "Permission denied: '/app/.cache'" crash.
+RUN chmod -R 777 /app/.cache
+# --- HUGGING FACE CACHE FIX END ---
 
 # Copy the rest of your application code and folders
 COPY . .
@@ -34,4 +36,4 @@ COPY . .
 EXPOSE 7860
 
 # Command to run your application using Gunicorn (a production server)
-CMD ["gunicorn", "-w", "4", "-b", "0.0.0.0:7860", "app:app"]
+CMD ["gunicorn", "-w", "4", "-b", "0.0.0.0:7860", "app:app"]