Docker installation fails on Archlinux

Hi,

I tried to install the current consul version as docker image on an up-to-date archlinux OS following the instructions on https://docs.consulproject.org/docs/english-documentation/introduction/servers/docker

First of all I didn’t get how I am supposed to adjust the settings in the newly created files config/secrets.yml and config/database.yml. So I decided to leave them exactly as is and continued with the installation instructions. I tried to solve the problem https://github.com/consul/consul/issues/4316 by adjusting the entry
FROM ruby:2.4.9
to
FROM ruby:2.6.6

This seemed to work better, but now the command
docker-compose run app rake db:create
fails with message

WARNING: The SSH_AUTH_SOCK variable is not set. Defaulting to a blank string.
Creating consul_app_run ... error

ERROR: for consul_app_run  Cannot create container for service app: create .: volume name is too short, names should be at least two alphanumeric characters

ERROR: for app  Cannot create container for service app: create .: volume name is too short, names should be at least two alphanumeric characters
ERROR: Encountered errors while bringing up the project.

I confess, I’m stuck with the meaning of this, maybe it’s caused by not correctly adjusting the configuration files? Any advice how to continue would be highly appreciated.

Thanks in advance and cheers, Zwmann

Same issue here, any help¿