Checklists for software errors, setup, and tool workflows.

Fix Nginx 502 Bad Gateway on Docker Ubuntu

You're running Nginx as a reverse proxy inside Docker on Ubuntu, and suddenly you see

Cloudflare DNS Propagation Checklist: Verify and Speed Up Changes

When you change a DNS record in Cloudflare, the update doesn't take effect instantly everywhe...

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...

Fix Cloudflare DNS Propagation Taking Too Long

You updated DNS records in Cloudflare but changes still aren't live hours later. This is frus...

Fix VSCode Breakpoints Not Hitting in TypeScript

You set a breakpoint in a TypeScript file, run the debugger, and execution never pauses. This is ...

Handling Missing Peer Dependencies in pnpm Install

When you run pnpm install and see warnings about missing peer dependencies, your pro...