Update Dockerfile

Dockerfile

@@ -1,24 +1,39 @@
 FROM python:3.9-slim
 
-WORKDIR /code
+WORKDIR /app
 
 # Install system dependencies for document processing
 RUN apt-get update && apt-get install -y \
     ffmpeg \
+    libmagic1 \
+    poppler-utils \
     && rm -rf /var/lib/apt/lists/*
 
-# Copy requirements and install Python dependencies
+# Copy requirements first for better caching
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
 # Copy application code
 COPY . .
 
+# Create a non-root user (better security for Hugging Face)
+RUN useradd -m -u 1000 user
+RUN chown -R user:user /app
+USER user
+
 # Create temp directory for file processing
 RUN mkdir -p /tmp/materials
 
-# Expose port
-EXPOSE 8080
+# Set environment variables
+ENV PYTHONUNBUFFERED=1
+ENV TRANSFORMERS_CACHE=/tmp/transformers_cache
+
+# Expose port (Hugging Face uses port 7860 by default)
+EXPOSE 7860
+
+# Health check command (Hugging Face Spaces requirement)
+HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
+    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:7860/health')"
 
-# Start the application
-CMD uvicorn app:app --host 0.0.0.0 --port 8080
+# Start the application with gunicorn for production
+CMD uvicorn app:app --host 0.0.0.0 --port 7860 --workers 1