An S4 class to represent a RUN instruction in shell form
object of class Run
commandsOne or more commands to be included in the label
Other instruction classes: Add-class,
Arg-class, Cmd-class,
Comment-class, Copy-class,
Entrypoint-class, Env-class,
Expose-class, From-class,
Healthcheck-class,
Instruction-class,
Label-class,
Maintainer-class,
Onbuild-class, Run-class,
Shell-class,
Stopsignal-class,
Volume-class, Workdir-class