Modified from the default Execution Environment for AWX: https://github.com/ansible/awx-ee
This Execution Environment for AWX comes with ibm.power_aix and ibm.power_ibmi collections.
First, install ansible-builder.
Then run the following command from the root of this repo:
$ ansible-builder build -v3 -t quay.io/ansible/awx-ee # --container-runtime=docker # Is podman by default