FROM python:3.12-slim

# Install system dependencies for WeasyPrint and fonts
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    python3-dev \
    libffi-dev \
    shared-mime-info \
    libcairo2 \
    libpango-1.0-0 \
    libpangocairo-1.0-0 \
    libgdk-pixbuf-2.0-0 \
    fonts-dejavu-core \
    && rm -rf /var/lib/apt/lists/*

# Set up a new user named "user" with UID 1000
RUN useradd -m -u 1000 user

# Set environment home variables
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

WORKDIR $HOME/app

# Install Python requirements
COPY --chown=user requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

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

# Switch to non-root user
USER user

# Expose FastAPI port
EXPOSE 7860

# Start command
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860"]