Seeking Guidance for Offline AWX Installation and Execution Environment Setup

Note, that method is for only recommended for development or testing, not for production use.

AWX can also alternatively be installed and run in Docker, but this install path is only recommended for development/test-oriented deployments, and has no official published release.
awx/INSTALL.md at devel · ansible/awx · GitHub

How did you configure your Execution Environment and Job Templates to achieve “being configured to use the local Docker registry”?