This repo contains several example configurations for setting up Taiga using docker-taiga.
If you want a very simple example, simply pull the docker-compose.yml file from here:
https://github.com/benhutchins/docker-taiga/tree/master/docker-compose.yml
You will see a lot
For a slightly more customized setup, the simple example uses the latest stable taiga image from benhutchins/taiga, then installs taiga-contrib-slack on top of it. It optionally can add taiga-contrib-ldap-auth for LDAP support.
For a more advanced example, which uses taiga-events and configures a few additional plugins see the advanced example.