Hi,

You can likely start with a LAMP stack - using our LAMP one-click, which will get your MySQL & PHP prerequisites out of the way. Next, you can install Composer by running these installation commands from their site:

php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
php -r "if (hash_file('SHA384', 'composer-setup.php') === 'e115a8dc7871f15d853148a7fbac7da27d6c0030b848d9b3dc09e2a0388afed865e6a3d6b3c0fad45c48e2b5fc1196ae') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"
php composer-setup.php
php -r "unlink('composer-setup.php');"

To install Redis on the same server you can use this guide.

That should take care of all of the usage prerequisites as listed here