| flag | Package flag implements command-line flag parsing. |
| github.com/prometheus/client_golang/prometheus | Package prometheus is the core instrumentation package. |
| github.com/prometheus/client_golang/prometheus/collectors | Package collectors provides implementations of prometheus.Collector to conveniently collect process and Go-related metrics. |
| github.com/prometheus/client_golang/prometheus/promauto | Package promauto provides alternative constructors for the fundamental Prometheus metric types and their …Vec and …Func variants. |
| github.com/prometheus/client_golang/prometheus/promhttp | Package promhttp provides tooling around HTTP servers and clients. |
| log | Package log implements a simple logging package. |
| net/http | Package http provides HTTP client and server implementations. |
| time | Package time provides functionality for measuring and displaying time. |