limit log size

config/environments/production.rb

@@ -4,10 +4,12 @@ Rails.application.configure do
   # Code is not reloaded between requests.
   config.cache_classes = true
 
-    # Use a different logger for distributed setups.
+  # Use a different logger for distributed setups.
   # require 'syslog/logger'
   # config.logger = ActiveSupport::TaggedLogging.new(Syslog::Logger.new 'app-name')
 
+  config.logger = ActiveSupport::Logger.new(config.paths['log'].first, 1, 50 * 1024 * 1024)
+
   if ENV["RAILS_LOG_TO_STDOUT"].present?
     logger           = ActiveSupport::Logger.new(STDOUT)
     logger.formatter = config.log_formatter