Caddyfile

example.com {
    tls [email protected]
    root /var/www/wordpress
    gzip
    fastcgi / /run/php/php7.2-fpm.sock php
    rewrite {
        if {path} not_match ^\/wp-admin
        to {path} {path}/ /index.php?{query}
    }
}

install_example.sh

curl https://getcaddy.com | bash -s personal http.cache,http.expires,http.filemanager,http.geoip,http.git,http.hugo,http.prometheus,http.ratelimit,http.upload,http.webdav,net,tls.dns.cloudflare

sudo setcap 'cap_net_bind_service=+ep' /usr/local/bin/caddy

sudo groupadd -g 33 www-data
sudo useradd \
  -g www-data --no-user-group \
  --home-dir /var/www --no-create-home \
  --shell /usr/sbin/nologin \
  --system --uid 33 www-data

sudo mkdir /etc/caddy
sudo chown -R root:root /etc/caddy
sudo mkdir /etc/ssl/caddy
sudo chown -R root:www-data /etc/ssl/caddy
sudo chmod 0770 /etc/ssl/caddy

wget https://raw.githubusercontent.com/mholt/caddy/master/dist/init/linux-systemd/caddy.service
sudo cp caddy.service /etc/systemd/system/
sudo chown root:root /etc/systemd/system/caddy.service
sudo chmod 644 /etc/systemd/system/caddy.service
sudo systemctl daemon-reload

sudo vim /etc/caddy/Caddyfile
sudo systemctl start caddy.service