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Fix Git 'index.lock' File Exists Error on Linux - Resolve Docker Compose Port Conflict-Fix Git Push Rejected Non-Fast-Forward After Pull

2026-07-28 05:33:55

Fix Git 'index.lock' File Exists Error on Linux - Resolve Docker Compose Port Conflict-Fix Git Push Rejected Non-Fast-Forward After Pull

Result check

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