Fix Nginx 'upstream connection refused' When Talking to PHP-FPM
You're seeing upstream connection refused in your Nginx error log, and your site...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Docker Build Context Canceled Error with Large Directories
When you run docker build on a project with a large directory, you might see an erro...
Fixing Nginx 502 Bad Gateway in Docker Networks
You have an Nginx container proxying requests to another container (like a PHP-FPM or Node app), ...
Nginx Upstream Connection Refused: Diagnosis and Fixes
When Nginx returns a 502 Bad Gateway or logs "upstream connection refused", it means Ngin...
Fix Nginx Upstream Connection Refused Timeout Error
When Nginx returns 502 Bad Gateway or logs upstream connection refused timeout...
How to Fix an Nginx Redirect Loop: Step-by-Step
You load a site and the browser keeps spinning—eventually showing 'redirect loop' or '...
Topic paths
Quick titles
How to Add Python to PATH in WindowsWindows 10 Update Broke Search Index – TroubleshootingFix IntelliSense Not Working in VS CodeWindows 10 Chrome ERR_CONNECTION_RESET Troubleshooting GuideRestore Missing Bluetooth Icon in Windows 11Error 0x80070005 Windows Update Repair GuideHow to Set Timeout Per Request in Python RequestsHow to Force Default Value in Docker Compose Env