rubocop update and resolutions

config/database.yml

@@ -16,7 +16,7 @@ default: &default
   host: <%= ENV['mysql_host'] %>
   username: <%= ENV['mysql_usr'] %>
   password: <%= ENV['mysql_pwd'] %>
-  socket: /var/run/mysqld/mysqld.sock
+  # socket: /var/run/mysqld/mysqld.sock
 
 development:
   <<: *default