Nginx setup for Nodejs

nginx.conf

server {
        listen 80;
        listen [::]:80;
  
        server_name _; # change this to your domain name
        
        # 2 lines of code below to hide your server info. You have to install nginx-extras to enable it
        # on Ubuntu run: sudo apt-get install nginx-extras
        more_clear_headers Server;
        server_tokens off;

        location / {
          proxy_pass http://localhost:3000; # change this to your NodeJS app's port
          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;
        }	
}