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Home / developer-tools / Docker Build Context Canceled: Fix .dockerignore Mistakes - Troubleshooting Docker Nginx 502 Upstream Issues-ERR_NAME_NOT_RESOLVED on Chrome for Mac: How to Fix

Docker Build Context Canceled: Fix .dockerignore Mistakes - Troubleshooting Docker Nginx 502 Upstream Issues-ERR_NAME_NOT_RESOLVED on Chrome for Mac: How to Fix

2026-07-28 19:19:38
Docker Build Context Canceled: Fix .dockerignore Mistakes - Troubleshooting Docker Nginx 502 Upstream Issues-ERR_NAME_NOT_RESOLVED on Chrome for Mac: How to Fix

Result check

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