railtie.rb in elastic-apm-3.2.0

- old
+ new

@@ -1,9 +1,7 @@
 # frozen_string_literal: true
 
-require 'elastic_apm/rails'
-
 module ElasticAPM
   # @api private
   class Railtie < ::Rails::Railtie
     config.elastic_apm = ActiveSupport::OrderedOptions.new
 
@@ -11,12 +9,10 @@
       next unless args.length > 1
       config.elastic_apm[key] = args.last[:default]
     end
 
     initializer 'elastic_apm.initialize' do |app|
-      config = Config.new(app.config.elastic_apm).tap do |c|
-        c.app = app
-
+      config = Config.new(app.config.elastic_apm.merge(app: app)).tap do |c|
         # Prepend Rails.root to log_path if present
         if c.log_path && !c.log_path.start_with?('/')
           c.log_path = ::Rails.root.join(c.log_path)
         end
       end