FROM python:3.11-slim

WORKDIR /app
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PORT=5000

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

COPY . .
RUN mkdir -p instance/jobs

EXPOSE 5000
CMD ["sh", "-c", "gunicorn app:app --bind 0.0.0.0:${PORT:-5000}"]
