How to install WordPress with caddy, MariaDB and PHP on Debian 11

Prerequisites：

• A server running Debian 11.
• A valid domain name pointed with your server IP.
• A root password is configured on the server.

Install Caddy on Debian 11

apt-get install -y curl debian-keyring debian-archive-keyring apt-transport-https

curl -1sLf ‘https://dl.cloudsmith.io/public/caddy/stable/gpg.key’ | apt-key add –

curl -1sLf ‘https://dl.cloudsmith.io/public/caddy/stable/debian.deb.txt’ | tee /etc/apt/sources.list.d/caddy-stable.list

curl -1sLf ‘https://dl.cloudsmith.io/public/caddy/stable/gpg.key’ | sudo gpg –dearmor -o /usr/share/keyrings/caddy-stable-archive-keyring.gpg

sudo apt update
sudo apt install caddy

sudo setcap ‘cap_net_bind_service=+ep’ /usr/bin/caddy

systemctl start caddy

systemctl enable caddy

Enable PHP Support in Caddy

apt-get install php-fpm php-mysql php-curl php-gd php-mbstring php-common php-xml php-xmlrpc -y

nano /etc/php/7.4/fpm/pool.d/www.conf

user = caddy
group = caddy
listen.owner = caddy
listen.group = caddy

systemctl restart php7.4-fpm

sudo apt install mariadb-server

sudo mysql_secure_installation

nano /etc/caddy/Caddyfile

example.com {
root * /var/www/wordpress
encode gzip zstd
php_fastcgi unix//run/php/php7.4-fpm.sock

tls info@example.com {
protocols tls1.2 tls1.3
}
}

sudo systemctl restart caddy

sudo mysql_secure_installation

mysql -u root -p

CREATE DATABASE dbwordpress;

CREATE USER wpuser@localhost IDENTIFIED BY ‘dbpassword’;

GRANT ALL PRIVILEGES ON dbwordpress.* TO dbuser@localhost ;

FLUSH PRIVILEGES;

exit;

sudo curl -O https://wordpress.org/latest.tar.gz

sudo tar zxf latest.tar.gz /var/www

sudo rm latest.tar.gz

sudo chown -R caddy:caddy wordpress

Not finished, just for test