diff --git a/config/environments/development.rb b/config/environments/development.rb
index a05f34d..2868206 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -77,8 +77,6 @@ Rails.application.configure do # rubocop:disable Metrics/BlockLength
   routes.default_url_options[:port] = ARGV[1] # ie: Procfile.dev --port PORT
   routes.default_url_options[:host] = '127.0.0.1'
 
-  Rails.configuration.after_initialize do
-    # SemanticLogger.add_appender(io: $stdout, formatter: Semantic::BasicFormatter.new)
-    SemanticLogger.add_appender(io: $stdout, formatter: Semantic::FancyFormatter.new)
-  end
+  # config.x.semantic.formatter = 'Semantic::BasicFormatter'
+  config.x.semantic.formatter = 'Semantic::FancyFormatter'
 end
diff --git a/config/initializers/instrumentalizing.rb b/config/initializers/instrumentalizing.rb
index d7f672a..3fe5d70 100644
--- a/config/initializers/instrumentalizing.rb
+++ b/config/initializers/instrumentalizing.rb
@@ -1,10 +1,13 @@
 return if Rails.application.tailwind_watcher?
 
-RailsSemanticLogger::Rack::Logger.logger.level = :info # useful for remaining log like "[Rack::Log] Started..."
-SemanticLogger.clear_appenders!
-
 return unless Rails.application.server?
 
+if Rails.env.development?
+  RailsSemanticLogger::Rack::Logger.logger.level = :info # useful for remaining log like "[Rack::Log] Started..."
+  SemanticLogger.clear_appenders!
+  Rails.logger.name = 'rails'
+end
+
 def build_instrumentation_config
   {
     action_controller: true,
@@ -16,8 +19,6 @@ def build_instrumentation_config
 end
 
 Rails.configuration.after_initialize do
-  Rails.logger.name = 'rails'
-
   ActiveSupport::Notifications.subscribe('rolling.live_constant') do |event|
     constants = event.payload[:changes].map { |change| change[:constant] }
     if constants.intersection(%w[ACTIVE_RECORD ACTION_VIEW]).any?
@@ -28,7 +29,7 @@ end
 
 Rails.autoloaders.main.on_load('ApplicationController') do
   SemanticLogger.clear_appenders!
-  SemanticLogger.add_appender(io: $stdout, formatter: Semantic::FancyFormatter.new)
+  SemanticLogger.add_appender(io: $stdout, formatter: Rails.application.config.x.semantic.formatter.constantize.new)
 
   Rails.logger.info ' ', dimensions: Semantic::FancyDimensions.new(rails: '╔═╗', before: 1)
   Rails.logger.fatal 'Zeitwerk RELOAD!', dimensions: Semantic::FancyDimensions.new(rails: '╠█╣')
diff --git a/config/puma.rb b/config/puma.rb
index 1dea0bb..710ddf0 100644
--- a/config/puma.rb
+++ b/config/puma.rb
@@ -34,6 +34,6 @@ pidfile ENV.fetch('PIDFILE') { 'tmp/pids/server.pid' }
 # Allow puma to be restarted by `bin/rails restart` command.
 plugin :tmp_restart
 
-on_booted do
-  puts '********************* PUMA: booted **********************'
-end
+# on_booted do
+#   puts '********************* PUMA: booted **********************'
+# end