Stack registry prefix

[hellkite500]

Push the stack prefix into more components for more flexibility of deployment of DMOD instances in the same environment.

Changes

• Push the stack prefix as a build arg to allow independent development docker registries
• use the stack prefix to launch independent GUI app servers

Checklist

• PR has an informative and human-readable title
• Changes are limited to a single goal (no scope creep)
• Code can be automatically merged (no conflicts)
• Code follows project standards (link if applicable)
• Passes all existing automated tests
• Any change in functionality is tested
• New functions are documented (with a description, list of inputs, and expected output)
• Placeholder code is flagged / future todos are captured in comments
• Project documentation has been updated (including the "Unreleased" section of the CHANGELOG)
• Reviewers requested with the Reviewers tool ➡️

Target Environment support

• Docker/Compose

[aaraney]

I believe this has already been resolved by #379. We can always re-open this if necessary.