Synology Container Manager (Docker) Setup

[skyynet]

I want to use my UniFi Protect camera's stream in a browser and installer go2rtc on my Synology as Docker.
As configuration, I only added the variable "camera1" with content to the stream rtsps://192.168.1.1:7441/xxxxxxxxxxxx?enableSrtp where xxx is the token. I also forwarded ports 1984, 8554. 8555, 7441.

When I access http://synologyip:1984/api/stream.m3u8?src=camera1
I get "stream not found". Opening the stream's URL on VLC works fine.

Probably just a simple configuration problem, but I couldn't figure it outwith the wiki.