post_install() {
    getent passwd www-data || useradd --system --shell /usr/bin/nologin www-data
    mkdir -p /etc/ssl/caddy && chown -R www-data:www-data /etc/ssl/caddy
}

pre_upgrade() {
    systemctl stop caddy
}

post_upgrade() {
    systemctl daemon-reload
}

pre_remove() {
    systemctl stop caddy
}

post_remove() {
    systemctl daemon-reload
}