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

Fix Nginx 502 Bad Gateway with Docker Socket

You have an Nginx container proxying requests to another container via the Docker socket, and you...

Fixing Nginx Upstream Connection Refused on Port 443

You see "upstream connection refused" in your Nginx error log when proxying requests to p...

Docker Compose Environment Variable Override Not Working: Fixes & Checks

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

Fix Node Sass Build Failure After npm Cache Clean

Fix Git index.lock File Exists Permission Denied Error

You're in the middle of a Git operation and suddenly you see: