(from "ubuntu:14.04") (label "maintainer" "Seongyeol Lim ") (copy "." "/go/src/github.com/docker/docker") (add "." "/") (add "null" "/") (copy "nullfile" "/tmp") (add "vimrc" "/tmp") (copy "bashrc" "/tmp") (copy "test file" "/tmp") (add "test file" "/tmp/test file")