Fix Nginx 502 Bad Gateway with Docker and PHP-FPM
You have a Docker setup with Nginx proxying to a PHP-FPM container, and you're getting a 502 ...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Repair Windows Security App Issues
If the Windows Security app won't open, shows a blank screen, or gives errors like "This ...
Fix Windows 11 Blue Screen After Memory Diagnostic
You ran Windows Memory Diagnostic after a blue screen, and now you're stuck in a loop or seei...
Fix Python venv Not Activating in CMD
You create a virtual environment with python -m venv myenv, navigate to the Scripts ...
How to Allow Unrelated Histories in Git Merge
If you see the error fatal: refusing to merge unrelated histories when running
Restore Windows Defender Real-Time Protection After Malware Disables It
If your Windows Defender real-time protection has been turned off and you suspect malware is the ...
Issue queue
SitemapDocker Compose Environment Variable from Shell Not Working: Fixes
Python Requests GET Timeout: A Practical How-To
Fix 'package.json Not Found' After Cloning a Repository
Git Merge Error 128 Fix Guide
Fix VS Code Not Showing Git Changes After Clone
Fix Windows Defender Blocked by Third-Party Antivirus
Fix VSCode Breakpoints Not Hitting in TypeScript
Windows 10 Taskbar Icons Not Responding: Practical Fixes
Resolve Git Push Rejected Non-Fast-Forward
Resolving 'Remote Origin Already Exists' in Git
How to Fix Nginx 502 Bad Gateway in Docker Compose
Troubleshoot VS Code settings.json Save Error
Python Requests GET Timeout: A Practical How-To
Fix 'package.json Not Found' After Cloning a Repository
Git Merge Error 128 Fix Guide
Fix VS Code Not Showing Git Changes After Clone
Fix Windows Defender Blocked by Third-Party Antivirus
Fix VSCode Breakpoints Not Hitting in TypeScript
Windows 10 Taskbar Icons Not Responding: Practical Fixes
Resolve Git Push Rejected Non-Fast-Forward
Resolving 'Remote Origin Already Exists' in Git
How to Fix Nginx 502 Bad Gateway in Docker Compose
Troubleshoot VS Code settings.json Save Error