FROM python:3.12-slim

WORKDIR /app

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

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

COPY . .

RUN alembic upgrade head 2>/dev/null || true

EXPOSE 8000

CMD ["sh", "-c", "alembic upgrade head && gunicorn app.main:app -w 4 -k uvicorn.workers.UvicornWorker -b 0.0.0.0:8000"]