Fix Docker Nginx 502 Bad Gateway Upstream Error
When running Nginx as a reverse proxy in Docker, a 502 Bad Gateway error with 'upstream' ...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Windows 11 WiFi No Internet Due to Proxy Settings
If your Windows 11 laptop shows full WiFi bars but browsers say “No internet,” a common culprit i...
Fix Windows 11 Blue Screen After Update Using SFC /Scannow
After a Windows 11 update, you might see a blue screen error on boot or during use. One common fi...
Cloudflare 522 Error After Server Migration: Fixes That Work
If you've just migrated your website to a new server and now see a Cloudflare 522 error (conn...
Chrome Memory Not Decreasing After Closing Tabs – Fixes
You close a dozen tabs, but Chrome still eats 2 GB of RAM. This is normal up to a point—Chrome ca...
Node Sass Build Failed: Complete Troubleshooting Checklist
When you see "Node Sass does not yet support your current environment" or a build failure...
Issue queue
SitemapTroubleshooting Cloudflare 521 Error Post-Restart
How to Handle Non-Fast-Forward Upstream
Windows Search Indexing Stuck? Here's How to Fix It
How to Stop Chrome from Using Too Much Memory
Nginx 302 Redirect Loop Fix
Fix Windows 11 Blue Screen After Memory Diagnostic
Mozilla Firefox Certificate Error Troubleshooting
VS Code Git Not Showing Changes: Troubleshooting Guide
How to Recreate Docker Default Bridge Network
Troubleshoot Firefox SSL Error Caused by Antivirus
Fix Nginx 502 Bad Gateway in Docker Due to Memory Limits
How to Fix node-sass Failed to Build on Mac
How to Handle Non-Fast-Forward Upstream
Windows Search Indexing Stuck? Here's How to Fix It
How to Stop Chrome from Using Too Much Memory
Nginx 302 Redirect Loop Fix
Fix Windows 11 Blue Screen After Memory Diagnostic
Mozilla Firefox Certificate Error Troubleshooting
VS Code Git Not Showing Changes: Troubleshooting Guide
How to Recreate Docker Default Bridge Network
Troubleshoot Firefox SSL Error Caused by Antivirus
Fix Nginx 502 Bad Gateway in Docker Due to Memory Limits
How to Fix node-sass Failed to Build on Mac