FROM python:3.11-slim

# Install system dependencies
RUN apt-get update && apt-get install -y \
    libgl1 \
    libglib2.0-0 \
    libsm6 \
    libxext6 \
    libxrender1 \
    libgomp1 \
    && rm -rf /var/lib/apt/lists/*

# Set up a non-root user for HF Spaces
RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

WORKDIR $HOME/app

# Install Python deps
COPY --chown=user requirements.txt .
# Debug: show what's in requirements.txt
RUN cat requirements.txt
RUN pip install --no-cache-dir --user -r requirements.txt

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

# Download model files at build time
RUN python download_models.py

# Ensure static directories exist and are writable
RUN mkdir -p static/uploads static/results models

EXPOSE 7860

CMD ["gunicorn", "--bind", "0.0.0.0:7860", "--timeout", "120", "app:app"]