Checklists for software errors, setup, and tool workflows.

Fix Nginx Upstream Connection Refused in Docker

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

Fix 'git pull failed index.lock file exists' Error

When running git pull, you may see an error like:

fatal: Unable to create &#...

Fix Docker Compose Environment Variable Substitution Failed

When running docker compose up, you might see errors like failed to resolve co...