Node.js Tutorial

What is Node.js?

Explanation of React as a JavaScript library for building user interfaces.
History and origin of React.
Advantages of using React.

Setting Up the Development Environment

Installing Node.js and npm on various operating systems (Windows, macOS, Linux).
Verifying the installation (checking versions).
Setting up a basic text editor (VS Code recommended).

Understanding the Basics

Writing your first “Hello World” application.
Running Node.js scripts from the command line.
Introduction to the Node.js REPL (Read-Eval-Print Loop).

Node.js Modules

Core modules in Node.js (fs, path, http, etc.).
Creating and exporting custom modules.
Using require to import modules.
Understanding module.exports and exports.

Working with the File System

Reading files asynchronously and synchronously (fs.readFile and fs.readFileSync).
Writing to files (fs.writeFile and fs.appendFile).
Creating and deleting files and directories.

Node.js Package Manager (npm)

Introduction to npm and its role in Node.js.
Installing and managing packages with npm.
Understanding package.json and package-lock.json.
Using npm scripts to automate tasks.

Asynchronous Programming in Node.js

Understanding callbacks and the callback pattern.
Introduction to Promises and async/await.
Handling asynchronous errors with try/catch and .catch().

Building a Web Server with Node.js

Creating a basic HTTP server using the http module.
Handling HTTP requests and responses.
Serving static files with Node.js.
Routing requests to different endpoints.

Introduction to Express.js

Setting up Express.js in a Node.js project.
Creating routes and handling requests with Express.
Middleware in Express: what it is and how to use it.
Serving static files and templates with Express.

Working with Databases

Introduction to databases in Node.js (SQL and NoSQL).
Connecting to a MongoDB database using Mongoose.
Performing CRUD operations with MongoDB.
Introduction to SQL databases (e.g., MySQL) and using knex.js or sequelize for database management.

Authentication and Security

Understanding the basics of authentication in Node.js.
Implementing user authentication with Passport.js.
Securing your application with environment variables and bcrypt for hashing passwords.
Introduction to JWT (JSON Web Tokens) for authentication.

RESTful APIs with Node.js

Understanding REST principles and creating a RESTful API.
Setting up routes for different HTTP methods (GET, POST, PUT, DELETE).
Validating and handling API requests.
Documenting your API with tools like Swagger.

Testing in Node.js

Introduction to testing frameworks like Mocha and Chai.
Writing unit tests for Node.js applications.
Testing asynchronous code and APIs.
Using test coverage tools like nyc.

Planning the Project

Choosing the project idea (e.g., a simple task manager or blog).
Designing the architecture (front-end, back-end, database).
Setting up the development environment.

Developing the Backend with Node.js

Setting up the Express server.
Designing and implementing API endpoints.
Connecting to the database and handling CRUD operations.

Developing the Frontend

Setting up a simple front-end using React or any other framework.
Integrating the front-end with the Node.js backend.
Handling user authentication and session management.

Deployment

Preparing the application for production.
Deploying the Node.js application on platforms like Heroku, DigitalOcean, or AWS.
Setting up CI/CD pipelines for automated deployment.

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