Rest API with Node.Js Training in Copenhagen, Denmark

This course provides a complete guide to designing, building, and securing RESTful APIs using Node.js. Participants will learn the principles of REST architecture, API design best practices, and how to implement them using Node.js with frameworks such as Express.js. The course covers authentication, data validation, testing, and deployment, ensuring participants can deliver production-ready APIs for modern applications.

Introduction to REST & Node.js

• RESTful API principles & best practices

• Node.js refresher (modules, npm, async programming)

• Setting up a Node.js project with Express.js

• Building a simple "Hello World" REST APIs

API Routing & Database Integration

• RESTful routing & HTTP methods (GET, POST, PUT, DELETE)

• Middleware in Express.js (logging, parsing, error handling)

• Connecting APIs to a database (MongoDB or SQL)

• CRUD operations with persistence

Authentication, Authorization & Security

• User authentication with JWT

• Role-based authorization

• Securing APIs with CORS, Helmet, and rate limiting

• Input validation with Joi/Express-validator

Testing & Advanced API Features

• Testing APIs with Jest/Mocha & Supertest

• API documentation (Swagger/OpenAPI)

• Error handling strategies & logging

• Versioning REST APIs

Deployment & Best Practices

• Environment configuration & secrets management

• Deploying REST APIs with Docker & cloud services (Heroku/AWS/Azure)

• CI/CD for API projects

• Monitoring & performance optimization

Hands-on Exercises

Summary and Conclusion