magento 2 lemp stack bash command for Ubuntu 18 with redis and composer

ubuntulemp.sh

#bash script
#Arjus
#magento 2 lemp stack for Ubuntu 18 with redis and composer

#linux 
#nginx 
#mariadb 
#php7.2 
#redis 
#composer

sudo apt update
#utils
sudo apt install -y unzip wget curl htop

#install nginx
sudo apt install -y nginx

#install mariadb
sudo apt install -y mariadb-server
sudo mysql_secure_installation

#install php7.2 with fpm and opcache
sudo apt install -y php7.2 php7.2-bcmath php7.2-cli php7.2-curl php7.2-fpm php7.2-gd php7.2-intl php7.2-json php7.2-mbstring php7.2-mysql php7.2-opcache php7.2-soap php7.2-xml php7.2-xsl php7.2-zip

#install and enable redis
sudo apt install -y redis-server

#install and enable composer
#install and enable composer
php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
php -r "if (hash_file('sha384', 'composer-setup.php') === '48e3236262b34d30969dca3c37281b3b4bbe3221bda826ac6a9a62d6444cdb0dcd0615698a5cbe587c3f0fe57a54d8f5') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"
sudo php composer-setup.php --install-dir=/usr/local/bin --filename=composer
php -r "unlink('composer-setup.php');"

sudo systemctl restart php7.2-fpm
sudo systemctl restart nginx