| Basic |
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| Introduction to Express.js |
Overview of Express.js, Node.js web application framework, Middleware concept |
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| Setting Up Express.js |
Installation, Creating a basic Express.js application, Directory structure, Entry point |
Link |
| Routing in Express.js |
Route definition, Route parameters, Route handlers, Route middleware, Route chaining |
Link |
| Middleware in Express.js |
Built-in middleware, Custom middleware, Error handling middleware, Third-party middleware |
Link |
| Handling Requests and Responses |
Handling HTTP requests (GET, POST, PUT, DELETE), Parsing request body (urlencoded, JSON), Sending responses |
Link |
| Templating Engines |
Integrating templating engines (Pug, EJS, Handlebars), Rendering dynamic content |
Link |
| Intermediate |
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| Express.js and MongoDB |
Integration with MongoDB, Connecting to MongoDB from Express.js, CRUD operations |
Link |
| Authentication in Express.js |
Authentication strategies (JWT, OAuth, Passport.js), User authentication and authorization, Session management |
Link |
| Error Handling in Express.js |
Centralized error handling, Custom error handling middleware, Error responses |
Link |
| File Uploads |
Handling file uploads in Express.js, Multer middleware, Configuring file upload options |
Link |
| WebSockets in Express.js |
WebSocket protocol, Integrating WebSockets with Express.js, Socket.io library |
Link |
| RESTful APIs |
Designing RESTful APIs with Express.js, Resource endpoints, HTTP methods, Handling requests and responses |
Link |
| Advanced |
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| Testing Express.js Applications |
Unit testing with Mocha and Chai, Integration testing with SuperTest, Mocking HTTP requests and responses |
Link |
| Performance Optimization |
Optimizing Express.js applications, Caching strategies, Load balancing, Minification and compression, Profiling and monitoring tools |
Link |
| Express.js and Microservices |
Building microservices with Express.js, Separation of concerns, Communication between microservices, API gateway |
Link |
| Serverless Deployment with Express.js |
Deploying Express.js applications on serverless platforms (AWS Lambda, Google Cloud Functions), Serverless framework integration |
Link |
| GraphQL with Express.js |
Integrating GraphQL with Express.js, Apollo Server for Express.js, Schema definition, Resolvers, Query execution |
Link |
| Real-Time Applications with Express.js and WebSockets |
Building real-time applications with Express.js and WebSockets, Broadcasting events, Handling real-time data updates |
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