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Baohua Yang
2026-02-21 10:47:37 -08:00
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14_implementation/14.4_ufs.md
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@@ -219,18 +219,3 @@ RUN apt-get update && \
- 避免创建不必要的层
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### 本章小结
| 概念 | 说明 |
|------|------|
| **UnionFS** | 将多层目录联合挂载为一个文件系统 |
| **Copy-on-Write** | 写时复制，修改时才复制到可写层 |
| **overlay2** | Docker 默认推荐的存储驱动 |
| **分层好处** | 镜像复用、快速构建、快速启动 |
### 延伸阅读
- [镜像](../02_basic_concept/2.1_image.md)：理解镜像分层
- [容器](../02_basic_concept/2.2_container.md)：容器存储层
- [构建镜像](../04_image/4.5_build.md)：Dockerfile 层的创建