Fixing Nginx 502 Bad Gateway with Docker and Load Balancers
If you're running Nginx as a reverse proxy or load balancer in a Docker setup, a 502 Bad Gate...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Chrome Profile Sync Error Code: Step-by-Step Guide
You open Chrome and see a sync error code—something like “Sync is paused” or “Error signing in.” ...
Nginx Upstream Connection Refused: Fixing localhost Errors
You set up an nginx reverse proxy to forward requests to a backend service on localhost, but ngin...
Chrome Startup Crash on Windows 11: Fixes That Work
You click the Chrome icon on your Windows 11 PC, the window flickers, and then nothing—or you get...
Remote Desktop Connection Fails: RDP Port Not Open
You try to connect via Remote Desktop, but the client says it can't connect. One of the most ...
Chrome Memory High After Update: How to Fix
After a Chrome update, you might notice the browser using more memory than usual—slowing down you...
Issue queue
SitemapGit Detached HEAD: Merge Changes to Master
Windows Remote Desktop Setup Checklist: 10 Steps to Connect
Fix Git 'index.lock file exists' Error
Resolve 'Permission Denied' in Visual Studio Code
Fix Detached HEAD During Git Rebase
Windows Update 0x80070005: Permission Fix Guide
Cloudflare Full Strict SSL: Origin Certificate Fixes
Resolve Nginx 502 Bad Gateway in Docker on Ubuntu
Windows Python Command Not Recognized – Quick Fix
Docker Build Canceled: How to Handle Large Contexts
Fix Package Errors by Downgrading Node
Python Not Recognized in Windows 10 Command Prompt – Fix
Windows Remote Desktop Setup Checklist: 10 Steps to Connect
Fix Git 'index.lock file exists' Error
Resolve 'Permission Denied' in Visual Studio Code
Fix Detached HEAD During Git Rebase
Windows Update 0x80070005: Permission Fix Guide
Cloudflare Full Strict SSL: Origin Certificate Fixes
Resolve Nginx 502 Bad Gateway in Docker on Ubuntu
Windows Python Command Not Recognized – Quick Fix
Docker Build Canceled: How to Handle Large Contexts
Fix Package Errors by Downgrading Node
Python Not Recognized in Windows 10 Command Prompt – Fix