nodejs-backend-patterns

Structure a Node.js backend by separating controllers, services, and repositories with dependency injection helpers to keep business logic testable and scalable. This approach ensures maintainable code isolation across Express or Fastify REST API services.

Implement secure JWT authentication by applying standardized authentication and authorization middleware within your Express or Fastify bootstrap. This secures API endpoints while integrating validation and global error handling specs.

Set up global error handling and rate limiting in a Fastify API by configuring standardized bootstrapping with security middleware, request logging, and compression. This delivers production-ready services with structured request safeguards.

Yes, this Node.js backend approach works for REST, GraphQL, and real-time microservices. API architects can build scalable services requiring structured error handling, secure JWT authentication, and database transaction safeguards.

Add database transaction safeguards and caching to a Node.js microservice by following database and caching guidance specs. Layered architecture ensures repository-level transaction integrity and consistent data integration.