Doc config file should not be readable by others

[8ctopus]

app.ini should not have 644 permissions but 640.

[codecov-io]

Codecov Report

Merging #8385 into master will decrease coverage by <.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #8385      +/-   ##
==========================================
- Coverage   41.79%   41.78%   -0.01%     
==========================================
  Files         497      497              
  Lines       65603    65603              
==========================================
- Hits        27418    27414       -4     
- Misses      34669    34674       +5     
+ Partials     3516     3515       -1

Impacted Files	Coverage Δ
models/repo_indexer.go	66.27% <0%> (-1.94%)	⬇️
modules/log/event.go	64.61% <0%> (-1.03%)	⬇️
modules/process/manager.go	81.15% <0%> (+4.34%)	⬆️

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