FROM python:3.10-slim

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

# Create user with UID 1000
RUN useradd -m -u 1000 user

# Set environment variables
ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PORT=7860 \
    HOME=/home/user

WORKDIR $HOME/app

# Copy requirements and install
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

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

# Switch to the non-root user
USER user

# Expose the HF Space port
EXPOSE 7860

# Run the application
CMD ["python", "main.py"]