efficient logging in dark theme

app/controllers/welcome_controller.rb

@@ -1,22 +1,23 @@
 class WelcomeController < ApplicationController
   def index
-    logger.measure_error "Took too long to complete", min_duration: 3000 do
-      logger.debug("Debugging information to aid with problem determination")
-      logger.info("Informational message such as request received\nline 2\nline3")
-      logger.warn("Warn about something in the system")
-      logger.error("An error occurred during processing")
-      logger.fatal("Oh no something really bad happened")
+    # logger.measure_error "Took too long to complete", min_duration: 3000 do
+    #   logger.debug("Debugging information to aid with problem determination")
+    #   logger.info("Informational message such as request received\nline 2\nline3")
+    #   logger.warn("Warn about something in the system")
+    #   logger.error("An error occurred during processing")
+    #   logger.fatal("Oh no something really bad happened")
 
-      logger.measure_info "Called external interface" do
-        sleep 0.1 # Code to call external service ...
-      end
+    #   logger.measure_info "Called external interface" do
+    #     sleep 0.1 # Code to call external service ...
+    #   end
 
-      SemanticLogger.tagged(user: "Jack", zip_code: 12345) do
-        # All log entries in this block will include the above named tags
-        logger.debug("Hello World")
-      end
+    #   SemanticLogger.tagged(user: "Jack", zip_code: 12345) do
+    #     # All log entries in this block will include the above named tags
+    #     logger.debug("Hello World")
+    #   end
 
-      # raise "exception"
-    end
+    logger.info("efficient logging in practice works better on dark theme")
+    # raise "exception"
+    # end
   end
 end

config/application.rb

@@ -11,8 +11,6 @@ class Application < Rails::Application
   config.load_defaults 7.0
 
   # Efficient logging with Semantic Logger
-  require_relative "../lib/formatters/basic_formatter"
-  config.semantic_logger.add_appender(io: $stdout, formatter: BasicFormatter.new)
   config.rails_semantic_logger.add_file_appender = false
   config.rails_semantic_logger.semantic = false
   config.rails_semantic_logger.started = true

config/environments/development.rb

@@ -25,7 +25,7 @@ Rails.application.configure do
 
     config.cache_store = :memory_store
     config.public_file_server.headers = {
-      "Cache-Control" => "public, max-age=#{2.days.to_i}"
+      "Cache-Control" => "public, max-age=#{2.days.to_i}",
     }
   else
     config.action_controller.perform_caching = false
@@ -67,4 +67,8 @@ Rails.application.configure do
 
   # Uncomment if you wish to allow Action Cable access from any origin.
   # config.action_cable.disable_request_forgery_protection = true
+
+  # Semantic Logger in console log only!
+  require_relative "../../lib/formatters/basic_formatter"
+  config.semantic_logger.add_appender(io: $stdout, formatter: BasicFormatter.new)
 end

config/environments/production.rb

@@ -13,7 +13,7 @@ Rails.application.configure do
   config.eager_load = true
 
   # Full error reports are disabled and caching is turned on.
-  config.consider_all_requests_local       = false
+  config.consider_all_requests_local = false
   config.action_controller.perform_caching = true
 
   # Ensures that a master key has been made available in either ENV["RAILS_MASTER_KEY"]
@@ -53,7 +53,7 @@ Rails.application.configure do
   config.log_level = :info
 
   # Prepend all log lines with the following tags.
-  config.log_tags = [ :request_id ]
+  config.log_tags = [:request_id]
 
   # Use a different cache store in production.
   # config.cache_store = :mem_cache_store
@@ -83,11 +83,15 @@ Rails.application.configure do
   # config.logger = ActiveSupport::TaggedLogging.new(Syslog::Logger.new "app-name")
 
   if ENV["RAILS_LOG_TO_STDOUT"].present?
-    logger           = ActiveSupport::Logger.new(STDOUT)
+    logger = ActiveSupport::Logger.new(STDOUT)
     logger.formatter = config.log_formatter
-    config.logger    = ActiveSupport::TaggedLogging.new(logger)
+    config.logger = ActiveSupport::TaggedLogging.new(logger)
   end
 
   # Do not dump schema after migrations.
   config.active_record.dump_schema_after_migration = false
+
+  # Semantic Logger in console log only!
+  require_relative "../../lib/formatters/basic_formatter"
+  config.semantic_logger.add_appender(file_name: "log/production.log", formatter: BasicFormatter.new)
 end

lib/formatters/basic_formatter.rb

@@ -31,7 +31,7 @@ class BasicFormatter < SemanticLogger::Formatters::Color
           log.message
         end
       if log.name == "Rails" || log.name == "ActionView::Base"
-        "#{prefix} #{color}#{message}#{color_map.clear}"
+        "#{prefix} #{ANSI_GRAY}#{message}#{color_map.clear}"
       else
         "#{prefix} #{SemanticLogger::AnsiColors::WHITE}#{message}#{color_map.clear}"
       end