# Use Python 3.10 base image
FROM python:3.10-slim

# Create a non-root user for security
RUN useradd -m -u 1000 user
USER user
ENV PATH="/home/user/.local/bin:${PATH}"

# Set working directory
WORKDIR /app

# Install Python dependencies first for layer caching
COPY --chown=user requirements.txt .
RUN pip install --no-cache-dir --upgrade -r requirements.txt

# Copy application code
COPY --chown=user . .

# Expose Gradio's default port
EXPOSE 7860

# Launch the application with Spaces-compatible settings
CMD ["python", "app.py"]