If you want to use Docker in your track, you need to utilize a virtual machine. Currently, the Instruqt platform does not support docker-in-docker environments while using Docker containers.
Ubuntu 20.04 Minimal LTS
There is no need to build this packer image yourself. It has already been built.
Use the following config in your Instruqt config.yml to use this image:
version: "2"virtualmachines:- name: dockerimage: instruqt/docker-2010shell: /bin/bashmachine_type: n1-standard-1