Merge pull request #472 from josevalim/patch-1

Use Logger.add_backend/1

Author: mitchellhenke

README.md

@@ -93,13 +93,13 @@ defmodule MyAppWeb.ErrorView do
 
 ### Capture Crashed Process Exceptions
 
-This library comes with an extension to capture all error messages that the Plug handler might not.  This is based on [Logger.Backend](https://hexdocs.pm/logger/Logger.html#module-backends).
+This library comes with an extension to capture all error messages that the Plug handler might not.  This is based on [Logger.Backend](https://hexdocs.pm/logger/Logger.html#module-backends). You can add it as a backend when your application starts:
 
 ```diff
-# config/config.exs
+# lib/my_app/application.ex
 
-+ config :logger,
-+  backends: [:console, Sentry.LoggerBackend]
++   def start(_type, _args) do
++     Logger.add_backend(Sentry.LoggerBackend)
 ```
 
 The backend can also be configured to capture Logger metadata, which is detailed [here](https://hexdocs.pm/sentry/Sentry.LoggerBackend.html).

lib/sentry/logger_backend.ex

@@ -1,10 +1,11 @@
 defmodule Sentry.LoggerBackend do
   @moduledoc """
   Report Logger events like crashed processes to Sentry. To include in your
-  application, add this module to your Logger backends:
+  application, start this backend in your application `start/2` callback:
 
-      config :logger,
-        backends: [:console, Sentry.LoggerBackend]
+      # lib/my_app/application.ex
+      def start(_type, _args) do
+        Logger.add_backend(Sentry.LoggerBackend)
 
   Sentry context will be included in metadata in reported events. Example: