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Fix Cloudflare 521 Error: DNS Configuration Problem - Docker Compose ENV Not Passed to Entrypoint: Fix-Git Merge Conflict Abort Error Solutions

2026-07-28 21:29:18
Fix Cloudflare 521 Error: DNS Configuration Problem - Docker Compose ENV Not Passed to Entrypoint: Fix-Git Merge Conflict Abort Error Solutions

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.

Next references

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