fixed doc page and added a production Dockerfile and container startup path for the operator app

[rcodyp]

Summary

Related issues

Verification

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Checklist

• I linked the relevant issue, or explained why there is not one.
• I ran the smallest relevant verification and listed it above.
• I updated docs, examples, or templates if public behavior changed.
• I did not commit secrets, local env files, generated binaries, or temp artifacts.
• I called out breaking changes, migration notes, or follow-up work if needed.

Notes for reviewers