Fixing Nginx 502 Bad Gateway in Docker: Practical Steps
You set up Nginx as a reverse proxy in Docker, but instead of your app you see a 502 Bad Gateway....
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix 'fatal: refusing to merge unrelated histories' in Git
You cloned a repository, made some commits locally, and now when you try to git pull...
How to Set Timeout for Python Requests
When using the Python requests library, a common issue is that a request can hang in...
Fix Windows Search Index Exclude Folder Not Working
If you've added a folder to the exclusion list in Windows Search indexing options but files f...
Fix VS Code Terminal Not Opening on Mac
You open VS Code, press Ctrl+` or click the Terminal panel, and nothing happens. The...
Python Virtual Environment Activation Failed: Common Fixes
You've created a Python virtual environment, but when you try to activate it, nothing happens...
Issue queue
SitemapHow to Fix Windows 11 Update Hanging at 0%
Windows 10 Update Broke Search Index – Troubleshooting
Fix Node Version Incompatibility with Package
Fix Greyed Out Real-Time Protection in Windows Defender
Git Merge Conflict Same Line: Step-by-Step Fix
How to Turn On Edge Sync on Mac: Step-by-Step Guide
Troubleshooting VSCode Debugger Breakpoints After Update
Troubleshooting Nginx 502 Upstream Connection Refused
Chrome Keeps Crashing on Startup? Fix the Loop
How to Fix npm ERR! enoent package.json Not Found on Linux
Fix Windows 11 Installation Assistant Stuck at 99% in Safe Mode
Git SSL Error After Update: Local Issuer Certificate Fix
Windows 10 Update Broke Search Index – Troubleshooting
Fix Node Version Incompatibility with Package
Fix Greyed Out Real-Time Protection in Windows Defender
Git Merge Conflict Same Line: Step-by-Step Fix
How to Turn On Edge Sync on Mac: Step-by-Step Guide
Troubleshooting VSCode Debugger Breakpoints After Update
Troubleshooting Nginx 502 Upstream Connection Refused
Chrome Keeps Crashing on Startup? Fix the Loop
How to Fix npm ERR! enoent package.json Not Found on Linux
Fix Windows 11 Installation Assistant Stuck at 99% in Safe Mode
Git SSL Error After Update: Local Issuer Certificate Fix