Checklists for software errors, setup, and tool workflows.

How to Fix Git 'index.lock' File Exists Error

When you see fatal: Unable to create 'path/.git/index.lock': File exists., G...

Cloudflare Origin Certificate Not Showing in Dashboard: Fix

If you've generated a Cloudflare origin certificate but it doesn't appear in your dashboa...

VS Code Git Changes Not Detected After Save: Fixes

You save a file in VS Code, but the Source Control panel shows no changes. The file doesn't a...

Fix 'port already allocated' for Nginx in Docker Compose

You're starting your Docker Compose setup with Nginx, and you see "port is already alloca...

How to Fix Nginx 502 Bad Gateway in Docker Compose

If you're running an application with Docker Compose and Nginx as a reverse proxy, a 502 Bad ...

Fix Node Sass 'Missing Binding' Build Error

When working with Node Sass, you might encounter a build error that says something like:

...