Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You have Nginx running, either on the host or in a container, proxying to another Docker containe...

You try to push your local commits to a remote repository and get an error like ! [rejected...

npm package.json Not Found After npm init
You run npm init, answer the prompts, and then try to install a package or run a scr...

Fix 'docker network not found' After Prune
If you run docker network prune and later see errors like network not found

Handling Python Memory Errors with Large File Chunking
You're running a Python script that reads a file, and it crashes with MemoryError

Fix Docker Nginx 502 Bad Gateway with MySQL
You have a Dockerized web app behind Nginx, and you're seeing a 502 Bad Gateway error. The ap...