Node.js: Mastering Backend Development for Scalable Applications

Uplatz offers this comprehensive course on Node.js: Mastering Backend Development for Scalable Applications. It is a self-paced course with video lectures. You will be awarded Course Completion Certificate at the end of the course.

Node.js is an open-source, cross-platform runtime environment built on Chrome's V8 JavaScript engine. It enables developers to run JavaScript on the server side, allowing for the creation of dynamic web applications, APIs, and other server-side functionalities.

How Node.js Works

1. Single-Threaded Event Loop Model:

   • Node.js uses a single-threaded event loop architecture to handle multiple client requests efficiently.
   • Incoming requests are placed into an event queue, and the event loop processes them asynchronously.

2. Non-Blocking I/O:

   • Input/output operations, such as reading files or querying databases, are performed asynchronously using callbacks, Promises, or Async/Await.
   • This ensures that other tasks are not blocked while waiting for operations to complete.

3. V8 JavaScript Engine:

   • Node.js uses Google’s V8 engine, which compiles JavaScript directly into machine code, providing high performance.

4. Modules:

   • Node.js has a modular design and uses a built-in module system (CommonJS) for code reuse.
   • Additional functionality is available via npm packages.

Core Features of Node.js

1. Asynchronous and Event-Driven:

   • All APIs are asynchronous and follow a non-blocking approach, making it highly efficient.

2. Fast Execution:

   • Node.js is built on the V8 engine, which provides fast execution of JavaScript code.

3. Single Programming Language:

   • Developers can use JavaScript for both frontend and backend, simplifying development.

4. Cross-Platform:

   • Node.js applications can run on Windows, macOS, and Linux.

5. Built-in Modules:

   • Includes modules for HTTP, file systems, streams, and more, reducing development time.

6. Scalability:

   • Handles a large number of simultaneous connections efficiently using an event-driven architecture.

7. npm (Node Package Manager):

   • Provides access to thousands of reusable libraries and tools for various functionalities.

8. Real-Time Applications:

   • Ideal for real-time applications like chat applications, gaming servers, and live collaboration tools.

Benefits of Learning Node.js

1. High Demand:

   • Node.js is widely used in the industry, creating opportunities for roles such as Backend Developer and Full Stack Developer.

2. Versatility:

   • Enables the development of a wide range of applications, including web, mobile, and APIs.

3. Fast Learning Curve:

   • For JavaScript developers, transitioning to Node.js is easy, as it uses the same language.

4. Community Support:

   • A large and active community offers extensive resources, libraries, and tools.

5. Job Opportunities:

   • Node.js is a critical skill for roles in modern web development, cloud computing, and API development.

6. Real-Time App Development:

   • Simplifies building applications like chat apps, streaming platforms, and online collaboration tools.

7. Cost-Effective Development:

   • Allows code sharing between frontend and backend, reducing development time and effort.

8. Scalability for Modern Apps:

   • Suitable for applications requiring scalability, such as social media platforms or e-commerce sites.

Reed Courses Certificate of Completion

Digital certificate - Included

Uplatz Certificate of Completion

Digital certificate - Included

• Node.js - all lectures 22:38:24

  • 1: Node.js Basics 14:06
  • 2: Core Modules and File Systems 28:42
  • 3: Node Package Manager (NPM) Preview 11:30
  • 4: Yarn 07:53
  • 5: Simple HTTP Server with Node 21:49
  • 6: Routing Basics 21:42
  • 7: Handling Asynchronous Code 25:01
  • 8: Creating and Using Custom Modules 23:01
  • 9: Middleware in Node 18:42
  • 10: Debugging and Error Handling in Node Preview 20:03
  • 11: Nodemon 12:12
  • 12: Express with Node 17:56
  • 13: Middleware in Express 17:00
  • 14: Creating RESTful APIs with Express 26:00
  • 15: Handling Query Parameters and Request Bodies 23:27
  • 16: Introduction to Postman for API Testing 21:46
  • 17: Understanding NoSQL Databases and MongoDB 35:57
  • 18: Overview of MongoDB 08:28
  • 19: Introduction to Mongoose 11:38
  • 20: Setting up MongoDB Locally and on MongoDB Atlas 13:40
  • 21: Installing Mongoose and Setting up a Basic Project 26:16
  • 22: CRUD Operations in MongoDB 21:14
  • 23: MongoDB Virtuals, Getters, and Setters with Mongoose 14:59
  • 24: Middleware in Mongoose 19:31
  • 25: MongoDB Schema Relationships 09:55
  • 26: Understanding the Aggregation Framework 13:23
  • 27: Mongoose Aggregation Queries Preview 21:23
  • 28: Mongoose Schema Validation 15:15
  • 29: Handling Mongoose Validation and Connection Errors 20:06
  • 30: Creating and Using Indexes in Mongoose 16:27
  • 31: Optimizing Mongoose Queries for Better Performance 14:01
  • 32: Introduction to Transactions in MongoDB 12:51
  • 33: Using Transactions with Mongoose 18:51
  • 34: Securing MongoDB Connections 09:00
  • 35: Role-Based Access Control (RBAC) with Mongoose 19:44
  • 36: Designing Data Models in MongoDB 18:02
  • 37: Integrating Mongoose with Express 21:25
  • 38: Deploying MongoDB Applications 16:53
  • 39: Monitoring and Maintenance of MongoDB Applications Preview 13:39
  • 40: Getting Started with Embedded JavaScript (EJS) 17:06
  • 41: Setting up an EJS Project with Node 15:59
  • 42: Passing Data to EJS Templates 19:41
  • 43: Using Partials in EJS 22:50
  • 44: Adding Static Assets in EJS with Node 19:39
  • 45: Conditional Rendering and Loops with EJS 16:07
  • 46: Error Handling in EJS 14:03
  • 47: Introduction to PostgreSQL Preview 12:14
  • 48: Setting up PostgreSQL 33:56
  • 49: Basic SQL Commands 25:10
  • 50: PostgreSQL Data Types 20:33
  • 51: PostgreSQL Primary Keys and Constraints 26:28
  • 52: PostgreSQL Advanced SELECT Statements 12:01
  • 53: PostgreSQL Joins and Relationships 20:11
  • 54: PostgreSQL Views and Materialized Views 26:02
  • 55: PostgreSQL Indexes and Performance 21:14
  • 56: PostgreSQL Transactions and Concurrency 16:18
  • 57: PostgreSQL Functions and Procedures 31:07
  • 58: PostgreSQL Triggers and Event Handling 25:03
  • 59: PostgreSQL Working with JSON and Arrays 38:05
  • 60: PostgreSQL Full-Text Search 19:36
  • 61: PostgreSQL Integration with Node 27:59
  • 62: Building the Backend with PostgreSQL using Express 29:40
  • 63: Querying and Using Joins 13:58
  • 64: Working with Relationships 15:47
  • 65: Using Knex.js 17:02
  • 66: User Authentication with JWT 18:43
  • 67: Middleware and Validation 15:43
  • 68: Security Best Practices with PostgreSQL and Node 16:36
  • 69: Migrations and Seeders 10:16
  • 70: Frontend Integration 13:05
  • 71: Node.js Interview Questions and Answers 22:44

Node.js - Course Syllabus

Module 1. Introduction to Node.js

• Node.js Basics
  • Overview of Node.js
  • Initial concepts and advantages of using Node.js

Module 2. Core Concepts

• Core Modules and File Systems
  • Introduction to Node.js core modules
  • Working with the file system (examples included)
• Node Package Manager (NPM)
  • NPM commands and examples
  • Overview of the package.json file
• Yarn
  • Introduction to Yarn
  • Comparison between Yarn and NPM

Module 3. Building Blocks

• Simple HTTP Server with Node
  • Create a basic HTTP server
  • Add enhancements and features
• Routing Basics
  • Simple routes, dynamic routes, and query parameters

Module 4. Asynchronous Programming

• Handling Asynchronous Code
  • Using Callbacks, Promises, and Async/Await

Module 5. Modular Development

• Creating and Using Custom Modules
  • Step-by-step examples

Module 6. Middleware and Debugging

• Middleware in Node.js
  • Different middleware types, including Express examples
• Debugging and Error Handling
  • Techniques for debugging and managing errors

Module 7. Development Tools

• Nodemon Tutorial
  • Automating server restarts during development

Module 8. Express.js

• Introduction to Express
  • Setting up and using Express.js
• Middleware in Express
  • Exploring various middleware options
• Creating RESTful APIs with Express
  • Developing RESTful APIs (examples included)
• Handling Query Parameters and Request Bodies
  • Practical examples using Postman

Module 9. API Testing

• Introduction to Postman
  • Features and usage for API testing

Module 10. NoSQL Databases (MongoDB)

• Understanding NoSQL Databases
  • Basics of NoSQL and MongoDB
  • Overview of MongoDB Features
• Introduction to Mongoose
  • Overview and benefits
• Setting Up MongoDB
  • Local setup and MongoDB Atlas configuration
• Installing Mongoose
  • Setting up a basic project with Mongoose
• CRUD Operations in MongoDB
  • Hands-on examples

Module 11. Advanced MongoDB and Mongoose

• MongoDB Virtuals, Getters, and Setters
• Middleware in Mongoose
• MongoDB Schema Relationships
• Aggregation Framework
  • $match, $group, $sort, $project stages
  • Mongoose Aggregation Queries
• Mongoose Schema Validation
  • Built-in and custom validation techniques
• Handling Errors
  • Validation and connection errors
• Creating and Using Indexes
  • Examples and optimization tips
• Optimizing Mongoose Queries
• Transactions in MongoDB
  • Using transactions effectively
• Role-Based Access Control (RBAC)
  • Implementation with Mongoose
• Designing Data Models in MongoDB
• Integrating Mongoose with Express
  • Creating RESTful APIs

Module 12. Deployment and Monitoring

• Deploying MongoDB Applications
• Monitoring and Maintenance Techniques

Module 13. EJS (Embedded JavaScript Templates)

• Getting Started with EJS
• Setting Up an EJS Project
• Passing Data to Templates
• Using Partials and Static Assets
• Conditional Rendering and Loops
• Error Handling in EJS

Module 14. Relational Databases (PostgreSQL)

• Introduction to PostgreSQL
  • Basics and setup using psql and pgAdmin
  • Basic SQL Commands
  • PostgreSQL Data Types, Primary Keys, and Constraints
  • Advanced SQL (SELECT, Joins, Views, Indexes)
  • Transactions and Concurrency
  • Functions, Procedures, and Triggers
  • Working with JSON and Arrays
  • Full-Text Search

Module 15. PostgreSQL with Node.js

• Integrating PostgreSQL with Node
• Backend Development with PostgreSQL and Express
• Relationships and Joins
• Using Knex.js for Query Building

Module 16. Security and Best Practices

• User Authentication with JWT
• Middleware and Validation (using Joi)
• Security Best Practices

Module 17. Advanced Development

• Migrations and Seeders
• Frontend Integration
  • Using React.js, Fetch, and Axios

Module 18. Final Touches

• Interview Questions and Answers
  • Key concepts and code snippets for interview preparation

Everyone

Passion and determination to achieve your goals!

• Node.js Developer
• Backend Developer
• Full Stack Developer
• API Developer
• JavaScript Developer
• Express.js Developer
• MongoDB Developer
• PostgreSQL Developer
• Web Developer
• Software Engineer
• Technical Lead
• Solution Architect
• Cloud Developer
• DevOps Engineer
• Middleware Engineer
• Database Administrator
• API Integration Specialist
• RESTful API Developer
• Data Engineer
• Application Support Engineer

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