FROM python:3.12-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    KNOWLEDGE_SEARCH_MODE=lite

WORKDIR /app

# 健康检查依赖 curl；不安装 torch/sentence-transformers，保持运行镜像轻量
RUN apt-get update \
    && apt-get install -y --no-install-recommends curl ca-certificates \
    && rm -rf /var/lib/apt/lists/*

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt \
    --index-url https://mirrors.aliyun.com/pypi/simple/ \
    --trusted-host mirrors.aliyun.com

# 应用
COPY config.py .
COPY db/ db/
COPY handlers/ handlers/
COPY services/ services/
COPY rules/ rules/
COPY web/ web/
COPY knowledge/ knowledge/
COPY main.py .

HEALTHCHECK --interval=30s --timeout=5s --start-period=30s --retries=3 \
  CMD curl -fsS http://127.0.0.1:${WEB_PORT:-8766}/health || exit 1

CMD ["python", "main.py"]