FROM python:3.10-slim

WORKDIR /app

# Install system deps
RUN apt-get update && apt-get install -y --no-install-recommends \
    libglib2.0-0 libsm6 libxrender1 libxext6 git \
    && rm -rf /var/lib/apt/lists/*

# Copy and install Python deps first (layer cache)
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy source
COPY pyproject.toml .
COPY src/ src/
COPY app.py .

# Install the package
RUN pip install --no-cache-dir -e .

# HF Spaces runs as non-root user 1000
RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user PATH=/home/user/.local/bin:$PATH

EXPOSE 7860

CMD ["python", "app.py"]