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

Docker Compose Environment Variable Not Working: Fixes

You define a variable in a .env file or directly in docker-compose.yml, but your container sees n...

Troubleshoot Python Virtual Environment Not Working: Practical Fixes

If you've created a Python virtual environment but it isn't activating, packages aren'...

Cloudflare Origin Certificate Setup Checklist

You've set up Cloudflare but your origin server still shows SSL errors or mixed content warni...

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 Git Push Rejected Non Fast Forward Error

Fix VS Code Breakpoint Not Hit in Docker Container

You set a breakpoint in VS Code, run your app inside a Docker container, and the breakpoint is ne...