Docker: Bind to 0.0.0.0 for Docker Swarm
Docker: Bind to 0.0.0.0 for Docker Swarm

Swarm uses a cluster-wide ingress network and does not permit binding
ports to localhost.  It simply ignores such a binding and prints
a warning instead.

This patch fixes this recent regression to avoid the warning.

FinnStutzenstein/OpenSlides,FinnStutzenstein/OpenSlides,FinnStutzenstein/OpenSlides,FinnStutzenstein/OpenSlides