FROM python:3.12-slim

ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PIP_NO_CACHE_DIR=1 \
    PIP_DISABLE_PIP_VERSION_CHECK=1 \
    TZ=Asia/Hong_Kong

# 系统依赖
RUN apt-get update && apt-get install -y --no-install-recommends \
        build-essential \
        libpq-dev \
        curl \
        ca-certificates \
        tzdata \
    && ln -sf /usr/share/zoneinfo/Asia/Hong_Kong /etc/localtime \
    && echo "Asia/Hong_Kong" > /etc/timezone \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# 先装依赖(利用 Docker 缓存)
COPY pyproject.toml ./
RUN pip install --upgrade pip && \
    pip install -e .

# 代码(开发期用 volume 覆盖,这里也保留一份)
COPY app ./app
COPY alembic ./alembic
COPY alembic.ini ./

EXPOSE 8000

# 默认启动 uvicorn;docker-compose 中 worker 容器会用别的 command
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]