update dockerfile

Dockerfile

@@ -3,12 +3,12 @@ WORKDIR /app
 
 # Set environment variables for caches
 ENV MPLCONFIGDIR=/app/matplotlib_cache
-ENV TRANSFORMERS_CACHE=/app/transformers_cache
+ENV HF_HOME=/app/transformers_cache  
 ENV HOME=/app
 
-# Create directories
-RUN mkdir -p /app/matplotlib_cache
-RUN mkdir -p /app/transformers_cache
+# Create and set permissions for directories
+RUN mkdir -p /app/matplotlib_cache /app/transformers_cache && \
+    chmod -R 777 /app/matplotlib_cache /app/transformers_cache
 
 # Install dependencies
 COPY requirements.txt .
@@ -20,3 +20,4 @@ COPY . .
 # Command to run your application
 CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "80"]
 
+