How To Use Nginx as a Global Traffic Director

“As your customer base grows, so does the distance between your server(s) and your customers. We all know that if your server load increases ā€“ you scale. But what to do when distance is the problem?

The solution is simple: install server(s) in geographical locations closer to your customer base and direct them based on their location. But how do we do this easily while being cost effective?

In this guide, we’ll configure Nginx to detect and redirect customers to a subdomain that points to a more geographically appropriate server…”

https://www.digitalocean.com/community/tutorials/how-to-use-nginx-as-a-global-traffic-director-on-debian-or-ubuntu