| 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. |
| github.com/go-kit/kit/endpoint | Package endpoint defines an abstraction for RPCs. |
| github.com/go-kit/kit/log | Package log provides a structured logger. |
| github.com/streadway/amqp | Package amqp is an AMQP 0.9.1 client with RabbitMQ extensions |
| math/rand | Package rand implements pseudo-random number generators suitable for tasks such as simulation, but it should not be used for security-sensitive work. |
| time | Package time provides functionality for measuring and displaying time. |