Knowledge base for software setup, errors, and daily tool work.

Fix Windows 11 Installation Assistant Stuck at 99% with Clean Boot

You're upgrading to Windows 11, and the Installation Assistant gets stuck at 99% for a long t...

Fixing Cloudflare Wildcard Subdomain Proxy Errors

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

How to Fix Cloudflare 522 Error: Check Your Origin Server

If you're seeing a 522 Connection Timed Out error in your browser when visit...

Docker Compose Secret vs Environment Variable: When to Use Each

If you're writing a docker-compose.yml and wondering whether to put a value in <...

Fix Docker Volume Permission Denied on Mac

Docker Build Context Canceled: Fix .dockerignore Mistakes

You're running docker build and after a long wait you see: context cance...