feat: make DB url configurable with env

[mikaello]

Related to #630

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.95%. Comparing base (28b6d0c) to head (9a9d0ea).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1423      +/-   ##
==========================================
+ Coverage   92.75%   92.95%   +0.20%     
==========================================
  Files           6        6              
  Lines          69       71       +2     
  Branches        7        9       +2     
==========================================
+ Hits           64       66       +2     
  Misses          5        5              

Flag	Coverage Δ
node22-Linux	92.95% <100.00%> (+0.20%)	⬆️
node24-Linux	92.95% <100.00%> (+0.20%)	⬆️

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