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Fix Nginx HTTP to HTTPS Redirect Loop Error - Troubleshooting Nginx 502 Upstream Connection Refused-How to Resolve Port Already in Use in Docker Compose

2026-07-29 04:01:10
Fix Nginx HTTP to HTTPS Redirect Loop Error - Troubleshooting Nginx 502 Upstream Connection Refused-How to Resolve Port Already in Use in Docker Compose

Result check

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