FROM python:3.11-slim

# Timezone: Taiwan (so SQLite datetime('now','localtime') gives UTC+8 times)
ENV TZ=Asia/Taipei
RUN apt-get update && apt-get install -y --no-install-recommends tzdata && \
    ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone && \
    rm -rf /var/lib/apt/lists/*

WORKDIR /app

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

COPY . .

# DB stays in /app (no persistent storage needed, synced via HF repo)
ENV DB_PATH=/app/pra_data.db

EXPOSE 7860

COPY start.sh .
RUN chmod +x start.sh
CMD ["./start.sh"]