docs: Update Docker documentation

[conboy]

Closes #1758

✅ Checklist

• I have followed every step in the contributing guide (updated 2022-10-06).
• The PR title follows the convention we established conventional-commit
• I performed a functional test on my final commit

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Changelog

Updated a package in the Dockerfile and made Docker compose docs more readable.

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Latest commit: e1f21d2

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