Fix Nginx Upstream Connection Refused in Proxy Pass
When Nginx returns a 502 Bad Gateway or logs upstream connection refused
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesWindows 11 Update Stuck at 0% in Safe Mode: How to Fix
You boot into Safe Mode to troubleshoot a problem, but Windows Update shows 0% and won't budg...
Fix Cloudflare 522 Error with Nginx Configuration
You're seeing a Cloudflare 522 error: connection timed out between Cloudflare and your origin...
How to Fix Git Push Rejected Non-Fast-Forward Error
When you run git push and see “rejected – non-fast-forward”, it means your local bra...
Add Python to PATH on Windows 10 When 'Command Not Found'
After installing Python on Windows 10, typing python in Command Prompt may give you ...
How to Fix "docker context canceled" on Mac
If you're seeing "context canceled" errors when running Docker commands on your Mac, ...
Issue queue
SitemapFix pnpm Install Failures in CI/CD Pipelines
How to Set Python Requests Timeout for the Entire Request
Fixing Node Version Mismatch with package.json Engines
How to Get Python venv Working in VS Code Terminal
Windows Update Error 0x80070002 Component Reset Guide
Setup.py Dependency Conflict Troubleshooting
Fix: Real-Time Protection Turns Off by Itself in Windows Defender
Fix Git SSL Certificate Problem with Proxy: Unable to Get Local Issuer
Chrome Using Too Much RAM on Mac? Fix It Now
Windows 11 Install Assistant Stuck at 99%? Try These Fixes
Nginx 502 Bad Gateway in Docker: How to Fix
How to Solve Chrome Access Violation Error
How to Set Python Requests Timeout for the Entire Request
Fixing Node Version Mismatch with package.json Engines
How to Get Python venv Working in VS Code Terminal
Windows Update Error 0x80070002 Component Reset Guide
Setup.py Dependency Conflict Troubleshooting
Fix: Real-Time Protection Turns Off by Itself in Windows Defender
Fix Git SSL Certificate Problem with Proxy: Unable to Get Local Issuer
Chrome Using Too Much RAM on Mac? Fix It Now
Windows 11 Install Assistant Stuck at 99%? Try These Fixes
Nginx 502 Bad Gateway in Docker: How to Fix
How to Solve Chrome Access Violation Error