Imports github.com/rs/zerolog go.opentelemetry.io/otel go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp go.opentelemetry.io/otel/metric go.opentelemetry.io/otel/sdk/metric go.opentelemetry.io/otel/sdk/resource go.opentelemetry.io/otel/semconv/v1.17.0 Standard library imports context fmt net/http net/http/httptest os strings