Imports github.com/dotcloud/docker/rcli github.com/kr/pty github.com/shin-/cookiejar github.com/dotcloud/docker/auth Standard library imports bufio bytes container/list crypto/rand crypto/sha256 encoding/binary encoding/hex encoding/json errors flag fmt index/suffixarray io io/ioutil log net net/http net/url os os/exec os/user path path/filepath runtime sort strconv strings sync syscall text/tabwriter text/template time unicode