Backend

Scaffold Express.js app with best practices

Scaffold Fastify app with plugins

Generate NestJS modules, controllers, services

Create and organize middleware chain

Set up job queue with Bull/BullMQ

Create file upload handling with validation

Set up transactional email service

Implement WebSocket server with rooms

Set up scheduled cron jobs

Scaffold a microservice with communication

Create event-driven architecture

Implement streaming/SSE responses

Create background job processing

Implement graceful server shutdown handling