Nginx proxy

proxy.conf

# This looks like a infinite loop but it proxy requests sent
# to the 'old' webserver during dns propagation to the new one.
# Make sure the webserver with this code knows the updated
# IP for the domain by adding a record to /etc/hosts

server {
  listen 80;

  server_name domain.com;

  location / {
          proxy_pass http://domain.com;
          proxy_set_header Host $host;
          proxy_set_header X-Real-IP $remote_addr;
  }
}