No Dockerfile configured inside docker repo - (transparency regarding security)

[anschnapp]

I can't analyse how the docker container of the docker image inside the following repo is build up: https://hub.docker.com/r/pseudomuto/protoc-gen-doc/

For the sake of security I don't use any container where I don't can determine how it is build up. In my opinion the repo should be use the dockerfile of this git repo like, it is supported and kind of a standard on dockerhub. So, that every user can review and understand the build of the image before he uses it.

It would be very nice if you could bind the dockerfile to your dockerhub image.