Add rail log through ENV

config/environments/production.rb

@@ -52,7 +52,7 @@
 
   # Include generic and useful information about system operation, but avoid logging too much
   # information to avoid inadvertent exposure of personally identifiable information (PII).
-  config.log_level = :error
+  config.log_level = ENV.fetch('LOG_LEVEL', 'INFO').downcase.to_sym
 
   # Prepend all log lines with the following tags.
   config.log_tags = [:request_id]