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...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Git 'index.lock file exists' Error
When you see the error fatal: Unable to create 'path/.git/index.lock': File exists....
Fix Nginx Upstream Connection Refused Socket Error
When Nginx returns a 502 Bad Gateway or logs upstream connection refused
Fix Chrome Hardware Acceleration Black Screen in Windows 11
If Chrome shows a black screen on Windows 11, especially after an update or when playing video, h...
Docker Compose Environment Variable from Shell Not Working: Fixes
You set an environment variable in your shell, but Docker Compose ignores it. This is a common pi...
How to Fix VS Code Terminal Not Opening
If you click the terminal panel in VS Code and nothing appears, or it opens but stays blank, the ...
Topic paths
Quick titles
How to Fix Nginx 502 Bad Gateway with Docker Compose VariablesTroubleshooting Cloudflare 522 Timeout After MigrationCloudflare 522 Plugin Conflict TroubleshootingHow to Fix Windows Security App Access DeniedTroubleshooting Git Push Errors: Non-Fast-Forward and SSHVSCode TypeScript Breakpoints Not WorkingPython Virtual Environment Activation FixTroubleshoot Error 0x80070002 with SFC and DISM