This skill helps you build Node.js backend services that are ready for real users. It covers Express and Fastify frameworks, shows how to handle errors, add authentication, connect databases, and design clean APIs. You will learn patterns that make your code easier to maintain and scale.
Whether you are creating a REST API, a GraphQL backend, or a microservice, the examples here guide you step by step. The skill also explains how to use TypeScript, validate input, set up logging, and protect your app with rate limiting and CORS.
By following these practices, your backend will be more secure, faster, and simpler to test. You will also learn how to handle graceful shutdowns, connection pooling, and health checks for monitoring.
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