FROM node:20-alpine

WORKDIR /app

# 可选：如果你想固定版本，改成比如 NeteaseCloudMusicApi@4.16.0
ENV NCM_API_PKG=NeteaseCloudMusicApi
ENV PORT=3000
ENV HOST=0.0.0.0

EXPOSE 3000

# 直接用 npx 拉包并运行
# --yes: 自动确认安装
CMD ["sh", "-lc", "npx --yes ${NCM_API_PKG} -p ${PORT} -H ${HOST}"]