DinD and DoutD does not support Alpine Base Images

Official devcontainer features should be at least be able to support their own base images, however, in the case for Docker in Docker and Docker outside Docker, and a couple of few more features, they do not support the Alpine image.

该 issue 确定了 Docker in Docker 和 Docker outside Docker 功能，受影响的基础镜像是 Alpine。首先使用 Alpine 基础镜像复现每项功能，并跟踪其功能入口点；完成标准是官方 DinD 和 DoutD 功能支持 Alpine，同时不破坏现有的受支持镜像。

由索引模型根据 Issue 内容生成。