lawipac calibre library service

lawipac.com/etc/systemd/system/calibre-server.service

+[Unit]
+Description=calibre content server
+After=network.target
+
+[Service]
+Type=simple
+User=www-data
+Group=www-data
+ExecStart=/opt/calibre/calibre-server --listen-on 127.0.0.1 --shutdown-timeout 3 --url-prefix /books /var/www/MyBooks
+##ExecStop=/opt/calibre/calibre-server --shutdown 1 "/var/www/MyBooks"
+KillMode=process
+TimeoutSec=900
+
+[Install]
+WantedBy=multi-user.target