FROM python:3.12-slim

ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

WORKDIR /app

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

COPY . .

EXPOSE 5001

# Gunicorn: 2 workers räcker fint för en liten kursapp
CMD ["gunicorn", "-w", "2", "-b", "0.0.0.0:5001", "wsgi:app"]