sudo nvim /etc/nginx/sites-available/mywebsite
server {
    listen 80;
    server_name mywebsite.com www.mywebsite.com;

    root /var/www/mywebsite;
    index index.html;

    location / {
        try_files $uri $uri/ =404;
    }
}
sudo ln -s /etc/nginx/sites-available/mywebsite /etc/nginx/sites-enabled
  1. Move your site directory to be /var/www/mywebsite
  2. Test with
sudo nginx -t
sudo systemctl reload nginx