Hello again,

thanks to your great feedback last time, I set up SSL with letsencrypt and got HTTPS working.

However, federation is still not working.

When troubleshooting as described in the docs I get the following Bad-Gateway error:

“~# curl -H “Accept: application/activity+json” https://<domain>/u/blueberry <html> <head><title>502 Bad Gateway</title></head> <body> <center><h1>502 Bad Gateway</h1></center> <hr><center>nginx</center> </body> </html>”

So apparently, its again the reverse-proxy, but this time, its not able to speak to the backend.

My nginx-error-file shows the following error: “2024/02/08 12:37:46 [error]: connect() failed (111: Connection refused) while connecting to upstream, client: <domain-ip>, server: <domain>, request: “GET /u/blueberry HTTP/2.0”, upstream: “http://0.0.0.0:8536/u/blueberry”, host: <domain>”

But using “docker ps” I find port 8536 open, so it should work.

Do you have any idea whats the problem here?