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 DNS Probe Finished NXDOMAIN After Changing DNS
After updating your DNS settings—perhaps to use Google Public DNS or Cloudflare—you might see the...
Fix Chrome Status Access Violation in Safe Mode
If you see a 'status access violation' error in Chrome while in safe mode, it usually poi...
How to Fix Cloudflare Origin Certificate Validation Failed
If you see a "validation failed" error when setting up or using a Cloudflare Origin Certi...
Fix Nginx 502 Bad Gateway in Docker Alpine
You have an Nginx container running on Alpine Linux, and it returns a 502 Bad Gateway. This usual...
Edge Sync Not Syncing Passwords or Bookmarks: Fixes
You open Edge on another device and your saved passwords or bookmarks aren't there. Sync seem...
Issue queue
SitemapDebugging Nginx Infinite Redirects
How to Fix Git Authentication Failed in VSCode with SSH
How to Fix npm run build Cannot Find Module Error
How to Fix npm run build After npm install
Nginx Configuration for Cloudflare 522 Error
Troubleshooting Node.js Heap Out of Memory (Code 134)
Understanding and Resolving Git Detached HEAD
Docker Container Stops Instantly? Check Restart Policy
How to Resolve Chrome Certificate Error on macOS
Resolve RDP Connection Failed in Windows
Fix Node.js Heap Out of Memory When Running Tests
Resolve Windows 11 Blue Screen Caused by Cumulative Update
How to Fix Git Authentication Failed in VSCode with SSH
How to Fix npm run build Cannot Find Module Error
How to Fix npm run build After npm install
Nginx Configuration for Cloudflare 522 Error
Troubleshooting Node.js Heap Out of Memory (Code 134)
Understanding and Resolving Git Detached HEAD
Docker Container Stops Instantly? Check Restart Policy
How to Resolve Chrome Certificate Error on macOS
Resolve RDP Connection Failed in Windows
Fix Node.js Heap Out of Memory When Running Tests
Resolve Windows 11 Blue Screen Caused by Cumulative Update