Fixing Nginx 502 Bad Gateway with Docker and Load Balancers - Docker Compose Port Conflict: How to Resolve-How to Fix Error 0x80070002 in Windows Update

Updated 2026-07-28 08:46:48cloud-software

Fixing Nginx 502 Bad Gateway with Docker and Load Balancers - Docker Compose Port Conflict: How to Resolve-How to Fix Error 0x80070002 in Windows Update

Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

Restart the affected app after changing permissions or configuration files.
Test the same workflow in a clean browser profile or a temporary user account.
Compare the result on another network if the error may be connection related.