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

Fix Cloudflare Wildcard Subdomain Not Working

If you've set up a wildcard DNS record in Cloudflare (e.g., *.example.com) but s...

Fix Docker Nginx 502 Bad Gateway with MySQL

You have a Dockerized web app behind Nginx, and you're seeing a 502 Bad Gateway error. The ap...

How to Check Docker Disk Space Usage

If you run Docker for a while, you may notice your disk space shrinking. Images, containers, volu...

Docker Compose 'Network Not Found' Error Fix

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

network "my...

Git Clone Connection Timed Out: Troubleshooting Checklist

When you run git clone and get a connection timed out error, the cl...

npm package.json Not Found: Troubleshooting Checklist

When you run npm install or npm start and see package.json not fo...