open telemetry

mix.exs

def application do
  [
    extra_applications: [:lager, :logger, :inets, :opentelemetry]
    mod: {OpenTelemetryDemo.Application, []}
  ]
end

def deps do
  [
    # opentelemetry
    {:opentelemetry_api, "~> 0.3.0"},
    # exporter
    {:opentelemetry_zipkin, "~> 0.2.0"}
  ]
end