FROM python:3.11-slim

ENV PYTHONDONTWRITEBYTECODE 1
ENV PYTHONUNBUFFERED 1

WORKDIR /app

RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

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

COPY . .

EXPOSE 5000

# Initialize DB, then start Gunicorn
CMD python -c "from app import app, db; app.app_context().push(); db.create_all()" && \
    gunicorn --bind 0.0.0.0:5000 app:app