-- because official images want to talk to host's systemd and I want to run on alpine.

This is based on devuan image from http://registry.gitlab.com/paddy-hack/ and run options from gluster/gluster-containers.

• you need stuff in /etc/glusterfs or glusterd will fail to run with 255 and no usable error message. Apparently at least glusterd.vol needs to be there, dunno what else.

(TODO)

• /dev/fuse and running with -v /dev --privileged=true. Do I need this?
• --net=host vs exposing ports.