How to Fix Git Push Rejected (Non Fast-Forward Error) - Nginx 502 Bad Gateway in Docker Multi-Container Setup-Fix Cloudflare Wildcard Subdomain Redirect Loop

Updated 2026-07-28 15:13:26cloud-software
How to Fix Git Push Rejected (Non Fast-Forward Error) - Nginx 502 Bad Gateway in Docker Multi-Container Setup-Fix Cloudflare Wildcard Subdomain Redirect Loop
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.