Express.JS Training and Certification in Copenhagen, Denmark

Express.js training provides an in-depth understanding of building server-side applications using this lightweight and flexible Node.js framework. The course begins with setting up the environment, understanding middleware, and creating basic routes to handle HTTP requests. Participants learn to integrate databases like MongoDB or MySQL, manage RESTful APIs, and handle asynchronous operations effectively. Advanced topics include authentication, error handling, and deploying applications using tools like Docker or cloud services. By the end of the training, learners can build scalable, efficient, and secure backend solutions using Express.js.

Introduction to Express.js

1. Overview of Express.js

• Introduction to Express.js and its ecosystem

• Benefits of using Express.js over other frameworks

• Installing Express.js and setting up a basic project

• Practical exercise

2. Routing in Express.js

• Understanding routes and route parameters

• Handling HTTP methods (GET, POST, PUT, DELETE)

• Practical exercise

3. Middleware in Express.js

• What is middleware and how does it work in Express.js?

• Built-in middleware functions (bodyParser, static files, etc.)

• Creating custom middleware

• Practical exercise

4. Error Handling in Express.js

• Handling errors in Express.js

• Error handling middleware

• Practical exercise

Advanced Concepts and API Development

5. Working with Databases in Express.js

• Introduction to MongoDB and Mongoose for data modeling

• Integrating MongoDB with Express.js

• Practical exercise: Setting up MongoDB, creating models, and connecting to the database

6. CRUD Operations

• Creating RESTful APIs with Express.js for CRUD operations

• Handling request bodies and query parameters

• Practical exercise

7. Building a RESTful API

• Introduction to REST principles and best practices

• Structuring and organizing routes for APIs

• Practical exercise

8. Testing and Debugging Express.js Applications

• Introduction to testing frameworks like Mocha and Chai

• Debugging and logging in Express.js applications

• Practical exercise

9. Deployment of Express.js Applications

• Deployment options: Heroku, DigitalOcean, etc.

• Preparing your Express.js application for production

• Practical exercise