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 notesError 0x80070080002 Windows Update: Step-by-Step Fix
Error 0x80070002 in Windows Update usually means the update files are missing or corrupted, or th...
Fix Nginx Upstream Connection Refused Error
If you see upstream connection refused in your Nginx error logs, it means Nginx trie...
Fix Windows Search Indexing Not Working for Outlook
If you open Outlook and search for an old email, contact, or appointment and nothing appears, or ...
Fix VS Code Git Authentication Failed After Update
After updating Visual Studio Code, you may see an error like "Git: Authentication failed"...
Docker Compose Ports Not Working: Common Fixes
You've defined ports in your docker-compose.yml, but containers aren't reachable on the e...
Issue queue
SitemapEdge Sync Not Working? Configuration Checklist
Windows Security App Not Responding? Try These Fixes
Fix 'python' Not Recognized in Anaconda on Windows
Troubleshooting npm Permission Denied in CI Environments
How to Fix a Detached HEAD in Git Using SourceTree
How to Reset Sync in Edge Browser
Git Unrelated Histories Error – Quick Fix Guide
Docker Compose: Fix 'Port Already in Use on Host' Error
Cloudflare 526 Error Fix: SSL Full Strict Guide
How to Fix pip Externally Managed Error on Linux
How to Reset Chrome to Fix ERR_NAME_NOT_RESOLVED
Fix Windows Update Error 0x80070002 Due to Low Disk Space
Windows Security App Not Responding? Try These Fixes
Fix 'python' Not Recognized in Anaconda on Windows
Troubleshooting npm Permission Denied in CI Environments
How to Fix a Detached HEAD in Git Using SourceTree
How to Reset Sync in Edge Browser
Git Unrelated Histories Error – Quick Fix Guide
Docker Compose: Fix 'Port Already in Use on Host' Error
Cloudflare 526 Error Fix: SSL Full Strict Guide
How to Fix pip Externally Managed Error on Linux
How to Reset Chrome to Fix ERR_NAME_NOT_RESOLVED
Fix Windows Update Error 0x80070002 Due to Low Disk Space