nginx-proxy.vhost

server {
  listen *:80;
  listen *:443 ssl http2;
  
  ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
  ssl_prefer_server_ciphers on;
  ssl_session_cache shared:SSL:30m;
  ssl_session_timeout 10m;
  
  ssl_certificate /home/ssl/cloudflare/cer.crt;
  ssl_certificate_key /home/ssl/cloudflare/cer.key;

  server_name api.serverdomain.com.br;

  location / {
    proxy_pass http://127.0.0.1:3000;
    proxy_http_version 1.1;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection 'upgrade';
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-Proto $scheme;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_cache_bypass $http_upgrade;
  }
}