The following script is the one I use on Ubuntu-Nginx environments, to get a WordPress webapp up and running.

I run it with a domain as an argument:

bash ~/nwsm.sh example.com

My question is what could be shorten in that script, maybe via some WP-CLI automation, or other automation tool, to get the shortest script possible.

As for now it's 35 lines of code, I assume it could go down to <=30 lines?

#!/bin/sh

domain="$1"
read -sp "What's your DB root password?" dbrootp
read -sp "What's your DB user password?" dbuserp
cd ${drt}

cat <<-WEBAPPBASE > /etc/nginx/sites-available/${domain}.conf
    server {
        root ${drt}/${domain}; 
        server_name ${domain} www.${domain};
        location ~* \.(jpg|jpeg|png|gif|ico|css|js|ttf|woff|pdf)$ {expires 365d;}
    }
WEBAPPBASE
ln -s /etc/nginx/sites-available/${domain}.conf /etc/nginx/sites-enabled/
certbot --nginx -d ${domain} -d www.${domain} # HTTP/2

cat <<-DBSTACK | mysql -u root -p"${dbrootp}"
    CREATE USER "${domain}"@"localhost" IDENTIFIED BY "${dbuserp}";
    CREATE DATABASE "${domain}";
    GRANT ALL PRIVILEGES ON ${domain}.* TO "${domain}"@"localhost";
DBSTACK

mkdir ${domain} && curl -L http://wordpress.org/latest.tar.gz | tar -zx -C ${domain}/
cp ${domain}/wp-config-sample.php ${domain}/wp-config.php
sed -ir "s/username_here|database_name_here/${domain}/g ; s/password_here/${dbuserp}/g" ${domain}"/ ${domain}/wp-config.php

chown -R www-data:www-data ${domain}/*
chmod -R a-x,a=rX,u+w ${domain}/*
systemctl restart nginx.service

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