FROM python:3.12-slim

ENV TZ=Asia/Shanghai
RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone

WORKDIR /app

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

COPY . .

EXPOSE 8000

CMD ["sh", "-c", "alembic upgrade head && exec uvicorn app.main:app --host 0.0.0.0 --port 8000"]
