Imports github.com/dotcloud/docker/auth github.com/shin-/cookiejar github.com/dotcloud/docker/rcli github.com/kr/pty 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 runtime sort strconv strings sync syscall time index/suffixarray crypto/sha256 unicode os/user container/list text/template text/tabwriter