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 'python' Command Not Found on Windows 10 with Python 3.10
After installing Python 3.10 on Windows 10, you might type python in Command Prompt ...
Taskbar Icons Missing but Programs Running – Fix Guide
You start your computer, launch your usual apps, and the programs are running—you can see them in...
How to Fix an Nginx Redirect Loop: Step-by-Step
You load a site and the browser keeps spinning—eventually showing 'redirect loop' or '...
Fix npm run build TypeScript Compilation Errors
You run npm run build and get a wall of TypeScript errors. The build fails, and you&...
Docker Container Exits Immediately: How to Find Logs and Fix It
You start a Docker container and it stops within seconds. The status shows "Exited (0)" o...
Issue queue
SitemapPython Not Recognized in Windows Terminal
How to Turn On Edge Sync on Mac: Step-by-Step Guide
Chrome Extensions Not Loading – How to Fix
VS Code Git Not Showing Changes: Troubleshooting Guide
Fix VSCode Source Control Not Detecting Changes
Fix ERR_NAME_NOT_RESOLVED by Clearing DNS Cache
Cloudflare Origin Certificate Not Working After Renewal: Fixes
Preserve Docker Images During Engine Reinstall
Windows 7 Python Command Not Found Troubleshooting
Fix VS Code Terminal Not Opening with Node
Resolve 'Missing Semicolon' in Nginx Config Test
Windows 11 Bluetooth Troubleshooting Guide
How to Turn On Edge Sync on Mac: Step-by-Step Guide
Chrome Extensions Not Loading – How to Fix
VS Code Git Not Showing Changes: Troubleshooting Guide
Fix VSCode Source Control Not Detecting Changes
Fix ERR_NAME_NOT_RESOLVED by Clearing DNS Cache
Cloudflare Origin Certificate Not Working After Renewal: Fixes
Preserve Docker Images During Engine Reinstall
Windows 7 Python Command Not Found Troubleshooting
Fix VS Code Terminal Not Opening with Node
Resolve 'Missing Semicolon' in Nginx Config Test
Windows 11 Bluetooth Troubleshooting Guide