NGINX index.html homepage redirect is needed, which will:
redirect:
https://homepage.co.uk/index.html
to:
(without causing an infinite loop)
location = /index.html { return 301 homepage.co.uk/$1; }
UPDATED (Working Solution):
location /index.html {
if ($request_uri = /index.html) {
rewrite ^ http://$host? permanent;
}
}