Hi Sayatan,
I’m not friendly with AWS server, Our demo server using DigitalOcean
You can find more detail about LAMP setup here https://www.digitalocean.com/community/tutorials/how-to-install-linux-apache-mysql-php-lamp-stack-ubuntu-18-04
or using One Click Application LAMP/LEMP https://www.digitalocean.com/products/one-click-apps/
Joomla technical requirements https://downloads.joomla.org/technical-requirements
