How Can We Install Ubuntu PHP Without Apache

When installing PHP 7.2 and above, it is installed in Apache by default.
When you want to use PHP with Nginx, you need to install the FPM package.

FPM = FastCGI Process Manager

For example :

apt install -y nginx php7.2-fpm php7.2-mysql php-mongodb php7.2-pgsql php7.2-cli php7.2-opcache php-apcu