# Prometheus.io Phoenix Instrumenter
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Phoenix integeration for [Prometheus.ex](https://github.com/deadtrickster/prometheus.ex).

 - IRC: #elixir-lang on Freenode;
 - [Slack](https://elixir-slackin.herokuapp.com/): #prometheus channel - [Browser](https://elixir-lang.slack.com/messages/prometheus) or App(slack://elixir-lang.slack.com/messages/prometheus).

## Metrics

 - `phoenix_controller_call_duration_microseconds` - Whole controller pipeline execution time.
 - `phoenix_controller_render_duration_microseconds` - View rendering time.

## Configuration

This integartion is configured via <InstrumenterName> `:prometheus` app env key. Please see `Prometheus.PhoenixInstrumenter` module documentation for more information.

## Integrations / Collectors / Instrumenters
 - [Ecto collector](https://github.com/deadtrickster/prometheus-ecto)
 - [Plugs Instrumenter/Exporter](https://github.com/deadtrickster/prometheus-plugs)
 - [Elli middleware](https://github.com/elli-lib/elli_prometheus)
 - [Fuse plugin](https://github.com/jlouis/fuse#fuse_stats_prometheus)
 - [Phoenix instrumenter](https://github.com/deadtrickster/prometheus-phoenix)
 - [Process Info Collector](https://github.com/deadtrickster/prometheus_process_collector.erl)
 - [RabbitMQ Exporter](https://github.com/deadtrickster/prometheus_rabbitmq_exporter)

## Installation

[Available in Hex](https://hex.pm/packages/prometheus_phoenix/), the package can be installed as:

  1. Add `prometheus_phoenix` to your list of dependencies in `mix.exs`:

    ```elixir
    def deps do
      [{:prometheus_phoenix, "~> 1.2.1"}]
    end
    ```

  2. Ensure `prometheus_phoenix` is started before your application:

    ```elixir
    def application do
      [applications: [:prometheus_phoenix]]
    end
    ```