fix: Add more db config in service private configuration

[lindseysimple]

Relates to #4847. Add more db config in service private config in order to use env variable overwrite to support Postgres in some services.

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

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[cloudxxx8]

LGTM

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 38.00%. Comparing base (7f1d492) to head (1f86b11).
Report is 2 commits behind head on main.

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Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4872   +/-   ##
=======================================
  Coverage   38.00%   38.00%           
=======================================
  Files         122      122           
  Lines       11755    11755           
=======================================
  Hits         4467     4467           
  Misses       6905     6905           
  Partials      383      383           

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