从 Docker 镜像中提取 Dockerfile

导出丢失 Dockerfile 文件的镜像的 Dockerfile

docker run --rm -v /var/run/docker.sock:/var/run/docker.sock toomee/dockerfile-from-image nginx:alpine > Dockerfile

参考

• https://www.52cik.com/2018/10/01/dockerfile-from-image.html
• https://www.52cik.com/2018/10/01/docker-alinode-dockerfile.html