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

Docker Compose Environment Variable Override Not Working: Fixes & Checks

You set an environment variable in your shell or .env file, but Docker Compose ignor...

Git Detached HEAD Warning Explained: Causes and Fixes

You see a warning: "You are in 'detached HEAD' state." This happens when you chec...

How to Set Node Version for a Project

When working on multiple projects that require different Node.js versions, you may encounter erro...

Docker Compose Environment Variable Not Updating? Fix It

Fix Windows Defender Blocked by Third-Party Antivirus

You open Windows Security and see a yellow warning: "Real-time protection is off. Your device...

Fixing NGINX Upstream Connection Refused SSL Errors

When NGINX logs upstream connection refused for an SSL backend, it usually means the...