Explicitly stated that you must add --build-arg for each build argument. Added multiple arguments to example of `--build-arg` usage. Fix for https://github.com/docker/docker.github.io/issues/6248 Signed-off-by: Preston Cowley <cowlinator@gmail.com>
Explicitly stated that you must add --build-arg for each build argument. Added multiple arguments to example of `--build-arg` usage. Fix for https://github.com/docker/docker.github.io/issues/6248 Signed-off-by: Preston Cowley <cowlinator@gmail.com>