| encoding/json | Package json implements encoding and decoding of JSON as defined in RFC 7159. |
| github.com/docker/docker/api/types | |
| github.com/docker/docker/pkg/archive | Package archive provides helper functions for dealing with archive files. |
| github.com/docker/docker/plugin | |
| github.com/docker/docker/registry | Package registry contains client primitives to interact with a remote Docker registry. |
| 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. |
| io/ioutil | Package ioutil implements some I/O utility functions. |
| os | Package os provides a platform-independent interface to operating system functionality. |
| os/exec | Package exec runs external commands. |
| path/filepath | Package filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths. |
| time | Package time provides functionality for measuring and displaying time. |