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How to Fix Git Detached HEAD and Checkout a Branch - Docker Image Build Fails with Context Canceled-How to Fix Git 'index.lock' Error

2026-07-28 07:22:32
How to Fix Git Detached HEAD and Checkout a Branch - Docker Image Build Fails with Context Canceled-How to Fix Git 'index.lock' Error

Result check

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