nginx-config/location/bubbly_errors.conf
# src=https://github.com/nginx-boilerplate/nginx-boilerplate/blob/master/boilerplate/locations/errors.conf
fastcgi_intercept_errors on;
error_page 404 /404.html;
error_page 500 501 502 503 504 /50x.html;
location ~ [4-5][0-9][0-9].html {
internal;
include directive/bubbly_logs_off.conf;
}