Fix UID 1000 user permission issue for Hugging Face Spaces

Dockerfile

@@ -19,6 +19,9 @@ RUN apt-get update && apt-get install -y \
 # Upgrade pip
 RUN pip3 install --upgrade pip
 
+# Create user with UID 1000 (Hugging Face Spaces default)
+RUN useradd -m -u 1000 user
+
 # Set working directory
 WORKDIR /app
 
@@ -31,9 +34,12 @@ RUN pip3 install --no-cache-dir -r requirements.txt
 # Copy application files
 COPY . .
 
-# Create directories for models and cache with proper permissions
-RUN mkdir -p /app/models /app/merged_model /app/cache /tmp/offload && \
-    chmod -R 777 /app/models /app/merged_model /app/cache /tmp/offload
+# Create directories for models and cache
+RUN mkdir -p /app/models /app/merged_model /app/cache /tmp/offload
+
+# Set ownership and permissions for user
+RUN chown -R user:user /app /tmp/offload && \
+    chmod -R 755 /app
 
 # Expose port for Gradio
 EXPOSE 7860
@@ -42,6 +48,9 @@ EXPOSE 7860
 ENV HF_HOME=/app/cache
 ENV TRANSFORMERS_CACHE=/app/cache
 
+# Switch to non-root user
+USER user
+
 # Run the application
 CMD ["python3", "app.py"]