| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/docker/distribution/reference | Package reference is deprecated, and has moved to github.com/distribution/reference. |
| github.com/docker/docker/api/types | |
| github.com/docker/docker/api/types/backend | Package backend includes types to send information to server backends. |
| github.com/docker/docker/builder | Package builder defines interfaces for any Docker builder to implement. |
| github.com/docker/docker/builder/fscache | |
| github.com/docker/docker/image | |
| github.com/docker/docker/pkg/stringid | Package stringid provides helper functions for dealing with string identifiers |
| github.com/docker/docker/pkg/system | |
| github.com/pkg/errors | Package errors provides simple error handling primitives. |
| golang.org/x/net/context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| io | Package io provides basic interfaces to I/O primitives. |
| runtime | Package runtime contains operations that interact with Go's runtime system, such as functions to control goroutines. |