Install

ai nginx php-fpm

# check nginx and php-fpm are running
sc-status nginx
sc-status php8.2-fpm

Site configuration

default

/etc/nginx/sites-available/default

server {
	listen 80 default_server;  # listen port 80 and set as default server
	listen [::]:80 default_server;

	root /var/www/html;  # root path to the web site folder

	index index.html index.htm index.nginx-debian.html;  # indexes

	server_name _;  # server name: my-web-site.net

	location / {
		# First attempt to serve request as file, then as directory, then fall back to displaying a 404.
		try_files $uri $uri/ =404;
	}
}

phpinfo

/etc/nginx/sites-available/phpinfo.conf

server {
	listen 80;

	root /var/www/php;

	index phpinfo.php;

	server_name phpinfo.net;  # server name: my-web-site.net

	location ~ \.php$ {
		include snippets/fastcgi-php.conf;
	
		# With php-fpm (or other unix sockets):
		fastcgi_pass unix:/run/php/php8.2-fpm.sock;
	}
}