post_install() {
    chown ghost-web:ghost-web /var/lib/ghost-web
    su -ls /bin/sh ghost-web -c 'ghost-web install 2.14.0 --no-stack --no-setup --dir /var/lib/ghost-web'

    echo "---"
    echo "NOTE: the ghost cli tool binary is renamed to \"ghost-web\"."
    echo "Run \"su -ls /bin/sh ghost-web -c 'cd /var/lib/ghost-web; ghost-web setup --no-setup-systemd --no-setup-linux-user --no-start'\" to complete installation."
    echo "Start the server with \"systemctl start ghost-web\"."
    echo "---"
}