| compress/flate | Package flate implements the DEFLATE compressed data format, described in RFC 1951. |
| encoding/json | Package json implements encoding and decoding of JSON as defined in RFC 7159. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/Graylog2/go-gelf/gelf | |
| github.com/docker/docker/daemon/logger | Package logger defines interfaces that logger drivers implement to log messages. |
| github.com/docker/docker/daemon/logger/loggerutils | |
| github.com/docker/docker/pkg/urlutil | |
| github.com/sirupsen/logrus | Package logrus is a structured logger for Go, completely API compatible with the standard library logger. |
| net | Package net provides a portable interface for network I/O, including TCP/IP, UDP, domain name resolution, and Unix domain sockets. |
| net/url | Package url parses URLs and implements query escaping. |
| strconv | Package strconv implements conversions to and from string representations of basic data types. |
| time | Package time provides functionality for measuring and displaying time. |