| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| encoding/json | Package json implements encoding and decoding of JSON as defined in RFC 7159. |
| errors | Package errors implements functions to manipulate errors. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/go-kit/kit/endpoint | Package endpoint defines an abstraction for RPCs. |
| github.com/go-kit/kit/examples/shipping/cargo | |
| github.com/go-kit/kit/log | Package log provides a structured logger. |
| github.com/go-kit/kit/metrics | Package metrics provides a framework for application instrumentation. |
| github.com/go-kit/kit/transport | Package transport contains helpers applicable to all supported transports. |
| github.com/go-kit/kit/transport/http | Package http provides a general purpose HTTP binding for endpoints. |
| github.com/gorilla/mux | Package mux implements a request router and dispatcher. |
| net/http | Package http provides HTTP client and server implementations. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| time | Package time provides functionality for measuring and displaying time. |