Workflow manuals for setup steps, repeatable tasks, and software operations.

Cloudflare Wildcard Subdomain CNAME Setup Guide

If you need to route all subdomains (e.g., *.example.com) to the same target, a wildcard CNAME re...

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....

Fix Nginx Permission Denied for Static Files

Common Causes

When Nginx returns a 403 Forbidden or 'permission denied' error for...