Nginx reverse proxy for v2ray service

Nginx.conf

events {
  worker_connections 500;
  # multi_accept on;
}

http {

    map $http_upgrade $connection_upgrade {
          default upgrade;
          '' close;
      }
  upstream v2ray {
    server IP_NEED:80;
  }
   server {
    listen 80;
    location /ray {
      proxy_pass http://v2ray/ray;
      proxy_http_version 1.1;
      proxy_set_header Host localhoster.ml;
      proxy_set_header Upgrade $http_upgrade;
      proxy_set_header Connection $connection_upgrade;
      proxy_set_header X-Real-IP $remote_addr;
      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }
  }
}