[rustatian]

Reason for This PR

closes: roadrunner-server/roadrunner#2455

Description of Changes

• Use the configured ACME issuer for the CA, email, challenge type, and alternate ports.
• Use the same certificate configuration for issuance and renewal. Stop cache maintenance if certificate setup fails.
• Add regression tests for issuer settings and certificate cache updates.

License Acceptance

By submitting this pull request, I confirm that my contribution is made under the terms of the MIT license.

PR Checklist

• All commits in this PR are signed (git commit -s).
• The reason for this PR is clearly provided (issue no. or explanation).
• The description of changes is clear and encompassing.
• Any required documentation changes (code and docs) are included in this PR.
• Any user-facing changes are mentioned in CHANGELOG.md.
• All added/changed functionality is tested.

[Copilot]

🟢 Approval recommended

No active review issues are reported for the changes aligning ACME issuance and renewal with the configured issuer settings.

No open issues 🎉

What changed in this PR

This PR fixes ACME certificate handling so issuance and renewal use the configured issuer settings consistently.

Changes:

• Replace the default issuer list with the configured ACME issuer.
• Reuse the certificate configuration for cache maintenance and stop maintenance if certificate setup fails.
• Add regression tests for issuer settings and reloading renewed certificates from storage.

File	Description
CHANGELOG.md	Document the ACME issuer and renewal fixes.
acme/​acme.go	Share configuration between issuance and renewal, apply issuer settings, and clean up on failure.
acme/​acme_test.go	Test issuer settings and renewed certificate cache updates.

_{Review effort: Balanced}

[codecov]

Codecov Report

❌ Patch coverage is 31.25000% with 11 lines in your changes missing coverage. Please review.
✅ Project coverage is 90.05%. Comparing base (384111e) to head (779fcd5).
⚠️ Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
acme/acme.go	31.25%	11 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #307      +/-   ##
==========================================
+ Coverage   88.47%   90.05%   +1.58%     
==========================================
  Files          29       29              
  Lines        1345     1348       +3     
==========================================
+ Hits         1190     1214      +24     
+ Misses        155      134      -21     

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