Harden public debug and Docker secret exposure

[ThangToee]

/claim #55

Summary

• remove the root info.php endpoint that executed phpinfo() and could expose runtime environment variables such as AWS/S3 credentials when the Apache image serves /var/www/html
• exclude local .env files and the debug endpoint path from Docker build contexts
• add a regression test that scans public document roots for phpinfo() and verifies the Docker ignore guardrails stay in place

Validation

• rg -n phpinfo\\s*\\( admin\\web candidate\\web company\\web inspector\\web staff\\web status\\web verification\\web common\\tests\\unit\\security\\PublicDebugEndpointTest.php returns no public endpoint matches
• php -l common\\tests\\unit\\security\\PublicDebugEndpointTest.php could not be run locally because PHP is not installed in this workspace PATH

Scope

This is intentionally separate from the existing Civil ID upload, S3 credential rotation, IAM, CloudTrail, and third-party integration hardening PRs.

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: e044d59d-d9b9-44ed-a3e1-d929d8a9f921

📥 Commits

Reviewing files that changed from the base of the PR and between 7b023ff and 2708f44.

📒 Files selected for processing (3)

• .dockerignore
• common/tests/unit/security/PublicDebugEndpointTest.php
• info.php

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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