Imports github.com/dotcloud/docker/auth github.com/gorilla/mux github.com/dotcloud/docker/utils github.com/dotcloud/docker/registry github.com/kr/pty github.com/dotcloud/docker/term Standard library imports bufio bytes crypto/rand encoding/binary encoding/hex encoding/json errors flag fmt io io/ioutil log net net/http net/url os os/exec path path/filepath reflect runtime sort strconv strings sync syscall time crypto/sha256 unicode os/user container/list text/template text/tabwriter net/http/httputil