async-patternsMaster asynchronous programming in Node.js with Promises, async/await, streams, and event-driven patterns for efficient non-blocking operations
docker-deploymentContainerize and deploy Node.js applications with Docker including multi-stage builds, Docker Compose, and production optimization
error-handlingImplement robust error handling in Node.js with custom error classes, async patterns, Express middleware, and production monitoring
express-rest-apiBuild production-ready RESTful APIs with Express.js including routing, middleware, validation, and error handling for scalable backend services
graphqlBuild GraphQL APIs with Node.js using Apollo Server, type definitions, resolvers, and real-time subscriptions
jest-testingTest Node.js applications with Jest including unit tests, integration tests, mocking, code coverage, and CI/CD integration
jwt-authenticationImplement secure JWT (JSON Web Token) authentication in Node.js applications with access/refresh tokens and role-based access control
mongoose-mongodbWork with MongoDB in Node.js using Mongoose ODM for schema design, CRUD operations, relationships, and advanced queries
nestjsBuild enterprise-grade Node.js applications with NestJS framework, TypeScript, dependency injection, and modular architecture
performance-optimizationOptimize Node.js application performance with caching, clustering, profiling, and monitoring techniques
streamsMaster Node.js streams for memory-efficient processing of large datasets, real-time data handling, and building data pipelines
websocketsImplement real-time bidirectional communication with Socket.io and ws library for chat, notifications, and live dashboards