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

How to Set Up a Wildcard Subdomain DNS Record in Cloudflare

If you need all subdomains (e.g., *.example.com) to point to the same IP or service, a wildcard D...

Fix Cloudflare DNS Propagation Not Happening for www

You updated DNS records for your www subdomain in Cloudflare, but hours (or days) later, the chan...

Docker Compose 'Network Not Found' Error Fix

When running docker compose up, you might see an error like:

network "my...

Fix Nginx Upstream Connection Refused in Proxy Pass

When Nginx returns a 502 Bad Gateway or logs upstream connection refused