Restore log level configurability in production environment

config/environments/production.rb

@@ -90,6 +90,11 @@ Rails.application.configure do
   # Prepend all log lines with the following tags.
   config.log_tags = [ :request_id ]
 
+  # "info" includes generic and useful information about system operation, but avoids logging too much
+  # information to avoid inadvertent exposure of personally identifiable information (PII). If you
+  # want to log everything, set the level to "debug".
+  config.log_level = ENV.fetch("RAILS_LOG_LEVEL", "info")
+
   # Use a different cache store in production.
   config.cache_store = :solid_cache_store