FROM python:3.9-slim

WORKDIR /app

RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc libpq-dev fonts-dejavu-core && \
    rm -rf /var/lib/apt/lists/*

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

COPY . .

EXPOSE 5000

CMD ["gunicorn", "--bind", "0.0.0.0:5000", "--workers", "4", "--timeout", "120", "--preload", "run:app"]