a correct influxdb.conf is:
version=V2
url:http://xxx.xxx.xxx.xxx:8086
db=org → organisation in db not database
retentionPolicy=openhab → if you have configured in influxdb database
the installation on the synology
Installation on ‘Container Manager’
Important: I have installed also the ‘Web Station’
– and here in the Webportal - influxdb
Portaltyp: Portbasiert
Port: 8086