Checklists for software errors, setup, and tool workflows.

Fix Nginx Redirect Loop in WordPress

You visit your WordPress site and get a "redirect loop" or "too many redirects" e...

Fix 'git pull failed index.lock file exists' Error

When running git pull, you may see an error like:

fatal: Unable to create &#...

Setting Up Cloudflare Wildcard Subdomains for Multiple Sites

If you manage multiple sites or services on different subdomains (like app.example.com, blog.exam...

Docker Container Exits Immediately with Exit Code 137

You start a Docker container, and it exits almost immediately with exit code 137. This usually me...

Fix VS Code Breakpoint Not Hit in Express App

You set a breakpoint in your Express route handler, start debugging, and the breakpoint is never ...

Docker Compose .env File Not Loading: Common Fixes

You set environment variables in a .env file next to your docker-compose.yml