| crypto/tls | Package tls partially implements TLS 1.2, as specified in RFC 5246, and TLS 1.3, as specified in RFC 8446. |
| crypto/x509 | Package x509 implements a subset of the X.509 standard. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/Sirupsen/logrus | |
| github.com/Sirupsen/logrus/formatters/logstash | |
| github.com/bugsnag/bugsnag-go | Package bugsnag captures errors in real-time and reports them to BugSnag (http://bugsnag.com). |
| github.com/docker/distribution/configuration | |
| github.com/docker/distribution/context | Package context provides several utilities for working with Go's context in http requests. |
| github.com/docker/distribution/health | Package health provides a generic health checking framework. |
| github.com/docker/distribution/registry/handlers | |
| github.com/docker/distribution/registry/listener | |
| github.com/docker/distribution/registry/storage | Package storage contains storage services for use in the registry application. |
| github.com/docker/distribution/registry/storage/driver/factory | |
| github.com/docker/distribution/uuid | Package uuid provides simple UUID generation. |
| github.com/docker/distribution/version | |
| github.com/docker/libtrust | Package libtrust provides an interface for managing authentication and authorization using public key cryptography. |
| github.com/gorilla/handlers | Package handlers is a collection of handlers (aka "HTTP middleware") for use with Go's net/http package (or any framework supporting http.Handler). |
| github.com/spf13/cobra | Package cobra is a commander providing a simple interface to create powerful modern CLI interfaces. |
| github.com/yvasiyarov/gorelic | Package gorelic is an New Relic agent implementation for Go runtime. |
| io/ioutil | Package ioutil implements some I/O utility functions. |
| net/http | Package http provides HTTP client and server implementations. |
| os | Package os provides a platform-independent interface to operating system functionality. |
| rsc.io/letsencrypt | Package letsencrypt is superseded by golang.org/x/crypto/acme/autocert. |
| time | Package time provides functionality for measuring and displaying time. |