My problem is that when running nexus docker container behind a reverse proxy (Traefik v.2 in particular) I can login in to the registry but I cannot push. When I bypass Traefik and talk to Nexus directly, it works.
The issue is described in details in this stack overflow post:
https://stackoverflow.com/questions/62773097/nexus-3-as-docker-registry-behind-traefik-v-2-pushing-fails
Anyone with a similar problem?