fix: Make the log_level configurable (#461)

* fix: Make the log_level configurable

* refactor: Add RAILS_LOG_LEVEL to .env-example

* lint: Fix rubocop offenses

.env-example

@@ -47,4 +47,6 @@ TRANSLATOR_ENABLED=0
 TRANSLATOR_API_KEY=
 TRANSLATOR_HOST=
 TRANSLATOR_DELAY=0
-GALLERY_ANIMATION_ENABLE=0
+GALLERY_ANIMATION_ENABLE=0
+
+RAILS_LOG_LEVEL=warn

config/environments/production.rb

@@ -56,7 +56,8 @@
 
   # Use the lowest log level to ensure availability of diagnostic information
   # when problems arise.
-  config.log_level = :info
+  # The available log levels are: :debug, :info, :warn, :error, :fatal, and :unknown
+  config.log_level = ENV.fetch("RAILS_LOG_LEVEL", "warn").to_sym
 
   # Prepend all log lines with the following tags.
   config.log_tags = [:request_id]

config/initializers/health_check.rb

@@ -17,7 +17,7 @@
   config.include_error_in_response_body = false
 
   # Log level (success or failure message with error details is sent to rails log unless this is set to nil)
-  config.log_level = "info"
+  config.log_level = ENV.fetch("RAILS_LOG_LEVEL", "warn").to_sym
 
   # Timeout in seconds used when checking smtp server
   config.smtp_timeout = 30.0