Following the issues described in the issue 1593.
Following the instructing in the docker-quickstart, the pgml-dashboard is not running.
Issues looks to be a missing variable:
SITE_SEARCH_DATABASE_URL
modifying the dashboard.sh by adding:
export SITE_SEARCH_DATABASE_URL=postgres://postgresml:postgresml@127.0.0.1:5432/postgresml will do the trick.