How To Setup Multiple Node.js On Single Server

I’m currently learning node.js and loving it. I have a single server which is bounded with just 1 ip addresses. But I have a two node.js app on that server. My nginx is like:

  server {
    listen 80;
    server_name domain.comm www.domain.comm;
    location / {
      proxy_pass http://localhost:6300;
      proxy_http_version 1.1;
      proxy_set_header Upgrade $http_upgrade;
      proxy_set_header Connection 'upgrade';
      proxy_set_header Host $host;
      proxy_cache_bypass $http_upgrade;
    }
  }


server {
  listen 80;
  server_name lite.domain.com;
  location / {
    proxy_pass http://localhost:5300;
    proxy_http_version 1.1;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection 'upgrade';
    proxy_set_header Host $host;
    proxy_cache_bypass $http_upgrade;
  }
}

And all my DNS records all set it up. I’d already set lite.domain.com to my server ip. When i try to run that nginx domain.com gives blank page with title and lots of 404 error on inspect page.

lite.domain.com also taking a action same as domain.com

I checked all my apps are working properly at background and clean. So whats wrong with my nginx configuration as reverse proxy for node.js?

Thank you for any input <3