Restore formatting to log output on production!

A config change in Rails 7.1.2 moves where you apply the default formatter to log output.

We do want timestamp and PID in our logging... not having it flatlined our MRTG logging for the last 24+ hours, too.

config/environments/production.rb

@@ -111,6 +111,18 @@
   #   .tap  { |logger| logger.formatter = ::Logger::Formatter.new }
   #   .then { |logger| ActiveSupport::TaggedLogging.new(logger) }
 
+  # Log to STDOUT and production.log. New 7.1 logging uses BroadcastLogger
+  # Not using TaggedLogging yet.
+  loggers = [
+    STDOUT,
+    "log/production.log"
+  ].map do |output|
+    ActiveSupport::Logger.new(output).
+      tap { |logger| logger.formatter = Logger::Formatter.new }
+    # .then { |logger| ActiveSupport::TaggedLogging.new(logger) }
+  end
+  config.logger = ActiveSupport::BroadcastLogger.new(*loggers)
+
   # Prepend all log lines with the following tags.
   # config.log_tags = [ :request_id, :subdomain, :uuid ]