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 VSCode IntelliSense Not Working for Rust
You open a Rust project in VSCode, start typing, and get no completions, hover info, or error hig...
Docker Nginx 502 Bad Gateway: Memory Limit Fix
You're running Nginx in Docker as a reverse proxy, and suddenly you see 502 Bad Gateway error...
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...
Fix Cloudflare Wildcard Subdomain Not Working with WordPress
You set up a wildcard DNS record in Cloudflare (e.g., *.example.com) expecting all subdomains to ...
How to Fix Nginx Redirect Loop Infinite Redirect
If you see a browser error like "ERR_TOO_MANY_REDIRECTS" or "redirect loop", Ngin...
Issue queue
SitemapWindows Security Keeps Crashing? Here's How to Fix
Troubleshooting Docker Container Exiting on Windows
Windows 11 Installation Assistant Not Completing Setup: Fixes
Fix npm run build Exit Code 1: Common Causes and Solutions
How to Update Node Version for Package Compatibility
How to Fix Windows Search Indexing Slow Performance
How to Fix Git Non-Fast-Forward Rejection
Fix VS Code Source Control Not Detecting Changes on Ubuntu
How to Remove Git index.lock in VS Code
Debugging Nginx Configuration Test Rewrite Errors
How to Fix Nginx Configuration Test Failed on Ubuntu
Fix Windows 11 Blue Screen After Update Using DISM
Troubleshooting Docker Container Exiting on Windows
Windows 11 Installation Assistant Not Completing Setup: Fixes
Fix npm run build Exit Code 1: Common Causes and Solutions
How to Update Node Version for Package Compatibility
How to Fix Windows Search Indexing Slow Performance
How to Fix Git Non-Fast-Forward Rejection
Fix VS Code Source Control Not Detecting Changes on Ubuntu
How to Remove Git index.lock in VS Code
Debugging Nginx Configuration Test Rewrite Errors
How to Fix Nginx Configuration Test Failed on Ubuntu
Fix Windows 11 Blue Screen After Update Using DISM