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alchemetrics_web

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Alchemetrics Web is a boilerplate to report basic metrics for a typical web application, such as request count, response time, ecto and erlang metrics.

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alchemetrics_web lib phoenix_plug.ex
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lib/phoenix_plug.ex 

defmodule AlchemetricsWeb.PhoenixPlug do

  @behaviour Plug

  alias AlchemetricsWeb.MetricMetadata.Request

  

  import AlchemetricsWeb.MetricCollectors.PhoenixRequest

  import Phoenix.Controller

  import Plug.Conn



  def init(opts), do: opts



  def call(conn, opts) do

    request_started_at = System.monotonic_time

    

    register_before_send conn, fn conn ->

      Request.metadata(conn) 

      |> report_request_metrics request_started_at

    end



    conn

  end

end