Software comparisons, alternatives, and tool decision notes.

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

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

fatal: Unable to create &#...

Fix npm run build TypeScript Compilation Errors

You run npm run build and get a wall of TypeScript errors. The build fails, and you&...

Nginx Upstream Connection Refused: Fixing localhost Errors

You set up an nginx reverse proxy to forward requests to a backend service on localhost, but ngin...

Fix Docker Volume Permission Denied for Nginx

When running Nginx in a Docker container with a bind-mounted volume for static files, you might s...

Fix Docker Compose Port Already Allocated for PostgreSQL

You run docker-compose up and see an error like "Error starting userland pro...