Tanc

Make sure you've set the env variable "BACKEND_URL" in your front container, it should fix the "nginx: [emerg] no host in upstream ":4000"" error.

For people who use Linuxserver's qbittorent image, i've made a docker mod to do just that : https://github.com/t-anc/GSP-Qbittorent-Gluetun-sync-port-mod Just read the disclaimer in the README ;)