Trusted Domains in Nextcloud ESX appliance

So my Problem is that when I try access Nextcloud with the IP-Addresse, the alert “No trusted Domain” shows up. I already went through multiple articels about that problem and added the Domain IP-Address as shown in these articels:

‘trusted_domains’ =>
array (
0 => ‘cloud.mer.local’,
1 => ‘’,

One Thing that seems a bit strange to me is that in the documentation I found, they said that I should find my config.php file in this path:

but my config.php file was actually in this path:

I didn’t configured a SSL Certificate by now and I’am not sure if this could have a impact, but I don’t think so.