| crypto/tls | Package tls partially implements TLS 1.2, as specified in RFC 5246, and TLS 1.3, as specified in RFC 8446. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/Sirupsen/logrus | |
| github.com/Sirupsen/logrus/hooks/bugsnag | |
| github.com/bugsnag/bugsnag-go | Package bugsnag captures errors in real-time and reports them to BugSnag (http://bugsnag.com). |
| github.com/docker/distribution/context | Package context provides several utilities for working with Go's context in http requests. |
| github.com/docker/distribution/registry/api/errcode | |
| github.com/docker/distribution/registry/api/v2 | Package v2 describes routes, urls and the error codes used in the Docker Registry JSON HTTP API V2. |
| github.com/docker/distribution/registry/auth | Package auth defines a standard interface for request access controllers. |
| github.com/docker/go-connections/tlsconfig | Package tlsconfig provides primitives to retrieve secure-enough TLS configurations for both clients and servers. |
| github.com/docker/notary | |
| github.com/docker/notary/tuf/signed | |
| github.com/gorilla/mux | Package mux implements a request router and dispatcher. |
| github.com/spf13/viper | |
| 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. |
| net/http | Package http provides HTTP client and server implementations. |
| path/filepath | Package filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| time | Package time provides functionality for measuring and displaying time. |