Nginx config to work on localhost with subdomain

nginx.conf

events {
    worker_connections  1024;
    use epoll;
}

http {
  upstream app_proxy {
    server lvh.me:3000;
  }

  upstream api_proxy {
    server lvh.me:3001;
  }

  server {
	  listen 80 default_server;
    listen [::]:80 default_server;
	  server_name lvh.me;
    return 301 https://$server_name$request_uri;
  }

  server {
    listen 443 ssl http2 default_server;
    listen [::]:443 ssl http2 default_server;
    include snippets/self-signed.conf;
    include snippets/ssl-params.conf;

	  client_max_body_size 500M;
	  location / {
	    proxy_http_version 1.1;
	    proxy_set_header Host $http_host;
	    proxy_set_header X-forwarded-for $proxy_add_x_forwarded_for;
	    proxy_set_header X-NginX-Proxy true;
	    proxy_pass http://app_proxy;
	    proxy_set_header Upgrade $http_upgrade;
	    proxy_set_header Connection "upgrade";
	    proxy_redirect off;
	  }
	  location /api {
	    proxy_set_header Host api.lvh.me;
	    proxy_set_header X-forwarded-for $proxy_add_x_forwarded_for;
	    proxy_set_header X-NginX-Proxy true;
      proxy_set_header X-Forwarded-Proto https;
	    proxy_pass http://api_proxy/;
	    proxy_redirect off;
	  }

    location /cable {
      proxy_pass http://api_proxy/cable;
      proxy_http_version 1.1;
      proxy_set_header Upgrade $http_upgrade;
      proxy_set_header Connection "Upgrade";

      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
      proxy_set_header Host $http_host;
      proxy_set_header X-Real-IP $remote_addr;
      proxy_set_header x-forwarded-proto https;
      proxy_redirect off;
    }
	}

     server {
        listen 80;
        server_name api.lvh.me;
        client_max_body_size 500M;
        return 301 https://$server_name$request_uri;
     }

	  server {
	    listen 443 ssl http2;
	    listen [::]:443 ssl http2;
	    server_name api.lvh.me;
	    include snippets/self-signed.conf;
	    include snippets/ssl-params.conf;

	  location / {
	    proxy_set_header Host $http_host;
	    proxy_set_header X-forwarded-for $proxy_add_x_forwarded_for;
	    proxy_set_header X-NginX-Proxy true;
	    proxy_pass http://api_proxy;
      proxy_set_header X-Forwarded-Proto https;
	    proxy_redirect off;
	  }
	}
}