Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You run a Docker container and it stops within seconds. The logs show your entrypoint script ran,...

You run npm init, answer the prompts, and then try to install a package or run a scr...

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

Fix npm ENOENT package.json Not Found Due to Wrong Directory
You run npm install or npm start and get an error like ENOENT: no...

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...

Fix 'Permission Denied' Error When Using pip Install on Linux
When you run pip install somepackage on Linux and see Permission denied...