Update docker-compose so it can run properly now

[namnx228]

Background

Update the docker-compose it can run properly with Redis support.

Changes

• Update the docker-compose file to reflect the new mounting point
• Update doc file to describe how to run docker-compose with redis.

Documentation

The change is small and can be understood by this pull request description.

Test Plan

Follow the step I described in the doc file change.

PR Quality Checklist

• [X] My pull request is atomic and focuses on a single change.
• [X] I have thoroughly tested my changes with multiple different prompts.
• [X] I have considered potential risks and mitigations for my changes.
• [X] I have documented my changes clearly and comprehensively.
• [X] I have not snuck in any "extra" small tweaks changes

[namnx228]

@Torantulino @BillSchumacher Please take a look

[ppetermann]

partially duplicates #2923

[codecov[bot]]

Codecov Report

Patch coverage has no change and project coverage change: -6.25 :warning:

Comparison is base (986bdaa) 43.88% compared to head (2270f6c) 37.64%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2966      +/-   ##
==========================================
- Coverage   43.88%   37.64%   -6.25%     
==========================================
  Files          60       60              
  Lines        2855     2856       +1     
  Branches      472      472              
==========================================
- Hits         1253     1075     -178     
- Misses       1498     1719     +221     
+ Partials      104       62      -42     

see 17 files with indirect coverage changes

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[github-actions[bot]]

This pull request has conflicts with the base branch, please resolve those so we can evaluate the pull request.

[Pwuts]

Closing as deprecated; this was already fixed in #1843