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

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE 1
ENV PYTHONUNBUFFERED 1
ENV PORT 7860

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    libgl1 \
    libglib2.0-0 \
    && rm -rf /var/lib/apt/lists/*

# Create a non-root user (Hugging Face best practice)
RUN useradd -m -u 1000 user
WORKDIR /home/user/app

# Copy requirements first for better caching
COPY --chown=user:user requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy the application code and assets
COPY --chown=user:user . .

# Ensure permissions are correct
RUN chmod -R 777 /home/user/app

# Switch to the non-root user
USER user

# Expose the app port
EXPOSE 7860

# Start the application
CMD ["python", "app.py"]