Is it possible to extract the Dockerfile from a docker container

Question

I\'m just starting out with Docker, and it would be very helpful to be able to see the Dockerfiles used to create existing docker images.

Even if the image was buil

Answer 1

There's a project dockerfile-from-image which could help you to do it directly.

It requires a single CLI command to recover the Dockerfile:

docker run -v /var/run/docker.sock:/var/run/docker.sock centurylink/dockerfile-from-image

One has to have Docker already installed.