Imports go.opentelemetry.io/otel/api/metric github.com/rs/zerolog go.opentelemetry.io/otel/api/unit go.opentelemetry.io/otel/api/global go.opentelemetry.io/otel/exporters/metric/prometheus Standard library imports context crypto/tls errors flag io/ioutil log net/http os path strings syscall time net/http/pprof os/signal