| bufio | Package bufio implements buffered I/O. It wraps an io.Reader or io.Writer object, creating another object (Reader or Writer) that also implements the interface but provides buffering and some help for textual I/O. |
| 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/labstack/echo/v4 | Package echo implements high performance, minimalist Go web framework. |
| github.com/labstack/echo/v4/middleware | |
| github.com/openzipkin/zipkin-go | Package zipkin implements a native Zipkin instrumentation library for Go. |
| github.com/openzipkin/zipkin-go/middleware/http | Package http contains several http middlewares which can be used for instrumenting calls with Zipkin. |
| github.com/openzipkin/zipkin-go/model | Package model contains the Zipkin V2 model which is used by the Zipkin Go tracer implementation. |
| github.com/openzipkin/zipkin-go/propagation/b3 | Package b3 implements serialization and deserialization logic for Zipkin B3 Headers. |
| net | Package net provides a portable interface for network I/O, including TCP/IP, UDP, domain name resolution, and Unix domain sockets. |
| net/http | Package http provides HTTP client and server implementations. |
| strconv | Package strconv implements conversions to and from string representations of basic data types. |