This adds a COPY command to docker build which works like ADD, but is
only for local files and it doesn't extract files.
Docker-DCO-1.1-Signed-off-by: Cristian Staretu <cristian.staretu@gmail.com> (github: unclejack)
Upstream-commit: 180c2a678510a93a442f1bcdb6a47287ec88ccd6
Component: engine