Bind option adds a bind mount point to the docker container.

Cmd option overrides the command present in the image.

Pull pulls an image.

Run spawns a new docker container whose duration is limited by the context and that writes its stdout/stderr to out.

User option overrides the user/uid of the process spawned in the docker container.

WorkDir option overrides the working directory of the process spawned in the docker container.

RunOption is an optional argument to Run.