Troubleshooting a 429 (rate limit)

Looking at other topics here, looks like I may need to do this?

- replace:
    filename: /etc/nginx/conf.d/discourse.conf
    from: "types {"
    to: |
      set_real_ip_from 10.0.0.0/24;
      set_real_ip_from 172.17.0.0/24;
      real_ip_header X-Forwarded-For;
      real_ip_recursive on;
      types {

From this post which was linked to from this one by Sam (and you (Jay) commented on it - mentioning HAProxy).