FROM node:22-slim

RUN apt-get update && apt-get install -y --no-install-recommends ffmpeg \
    && rm -rf /var/lib/apt/lists/*

ENV NODE_ENV=production
ENV CACHE_DIR=/app/.cache
WORKDIR /app

COPY package.json ./
RUN corepack enable && pnpm --version && pnpm install --prod

# 只复制必要源代码，避免把缓存等无关内容塞进镜像
COPY . .

RUN useradd -m appuser && mkdir -p /app/.cache && chown -R appuser:appuser /app
USER appuser

EXPOSE 9520
CMD ["node", "index.js"]