Gluetun is a great example of “I changed nothing and it suddenly works”. I’ve had to set up this exact docker container several times, and it usually takes me a week of retries until it chooses to work. I wish I had better advice for you

If any of you can get the Pi-hole integration to work, let me know how you did it. There’s a github thread about it, but I haven’t heard any progress

It worked for a long time until an update pretty recently.

I respect your opinion, but I’ll pass