Checklists for software errors, setup, and tool workflows.

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Git Fatal: Refusing to Merge Unrelated Histories – Workaround

You try to merge two Git branches and get this error:

fatal: refusing to merge unre...

How to Debug Docker Compose Environment Variables
When environment variables don't show up inside a container, the application often fails sile...

Resolving Git Merge Conflicts in package-lock.json
If you work on a Node.js project with multiple contributors, you've likely seen a merge confl...

Docker Compose Environment Variable Override Not Working: Fixes & Checks
You set an environment variable in your shell or .env file, but Docker Compose ignor...

Fixing Node Version Mismatch with package.json Engines
You run npm install or node app.js and see a warning or error about the...

Fix Nginx 502 Bad Gateway with Docker and PHP-FPM
You have a Docker setup with Nginx proxying to a PHP-FPM container, and you're getting a 502 ...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Git Fatal: Refusing to Merge Unrelated Histories – Workaround

How to Debug Docker Compose Environment Variables

Resolving Git Merge Conflicts in package-lock.json

Docker Compose Environment Variable Override Not Working: Fixes & Checks

Fixing Node Version Mismatch with package.json Engines

Fix Nginx 502 Bad Gateway with Docker and PHP-FPM

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