nginx http -> https redirect

gistfile1.txt

# http -> https redirect
  set $check_redirect "";
  set $check_domain "";
  
  if ($http_host ~ xx\.xx$) {
     set $check_domain  "on";
  }
  if ($http_host ~ yy\.yy$) {
    set $check_domain  "on";
  } 
  
  if ($check_domain = "on") {
    set $check_redirect  "${check_redirect}1";
  }
  if ($http_x_forwarded_proto != "https") {
    set $check_redirect  "${check_redirect}_2";
  }
  if ($http_user_agent !~ ^ELB-HealthChecker) {
    set $check_redirect  "${check_redirect}_3";
  }
  if ($check_redirect = "1_2_3") {
    rewrite ^/(.*)?$ https://$http_host/$1 permanent;