Composer

apt update && apt install php-cli unzip

cd ~ && curl -sS https://getcomposer.org/installer -o /tmp/composer-setup.php

HASH=`curl -sS https://composer.github.io/installer.sig` && echo $HASH

php -r "if (hash_file('SHA384', '/tmp/composer-setup.php') === '$HASH') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"

php /tmp/composer-setup.php --install-dir=/usr/local/bin --filename=composer && composer

Nodejs and npm

apt update && apt install nodejs -y && apt install npm -y