Building Scalable Web Apps with Node.js and Express: Design and Develop a Robust, Scalable, High-Performance Web Application

✍ Scribed by (Panchal, Yamini, Gupta, Ravi Kumar

• Publisher: Orange Education Pvt. Ltd.
• Year: 2024
• Tongue: English
• Leaves: 389
• Category: Library

✦ Synopsis

Easy API Design Using Express.js and Node.js (TypeScript)

Book Description
Embark on a transformative journey into the world of web development with the latest Node.js v20, Express.js frameworks and TypeScript. This comprehensive book empowers developers at all levels, from newcomers to seasoned professionals, by covering foundational to advanced topics through a single, cohesive example: a project management system.

Beginning with an exploration of fundamentals, the book swiftly progresses to delve into TypeScript, equipping readers with the tools to enhance their applications with strong typing and modern JavaScript features. Readers will master the art of building RESTful APIs using Express.js, ensuring adherence to industry best practices in API design.

The book dives into advanced topics like routing strategies, middleware implementation, MongoDB integration with Mongoose for efficient data management, and Redis for optimizing API performance through caching techniques. The final section of the book provides thorough guidance on asynchronous operations, Mocha and Chai testing strategies, AWS deployment, security practices, performance tuning, and real-world application scenarios, ensuring developers gain a holistic understanding of Node.js and Express.js development.

✦ Table of Contents

Cover Page
Title Page
Copyright Page
About the Authors
About the Technical Reviewer
Acknowledgements
Preface
Errata
Table of Contents
1. Introduction to Node.js
Introduction
Structure
Defining Node.Js
Applications of Node.js
Single-Page Applications
Real-time Applications
IoT Devices Applications
Data Streaming Application
Pros of Node.js
Cons of Node.js
Installing Node.js
Installing Node For Linux/Ubuntu
Installing Node.js for Windows
Installing Node.js for mac
Event-Driven Mechanism
Example of Event Programming
Example of Synchronous Code
Example of Asynchronous code
Types of Node.js Architectures
Monolithic Architecture
Microservice Architecture
Serverless Architecture
Writing an HTTP Server
Making it HTTPS
Using Cluster Module
Programming Without Cluster Module Example
Programming With Cluster Module Example
Conclusion
Multiple Choice Questions
Answers
Further Reading
2. Introduction to TypeScript
Introduction
Structure
Overview of TypeScript
Advantages of TypeScript
Pitfalls of TypeScript
Installing TypeScript
Global Installation
Project-wise Installation
Building a Basic Application with TypeScript
OOP Concepts in TS
Data Types
Primitive Types
Non-Primitive Types
Class
Inheritance
Access Modifiers
Interface
Abstraction
Encapsulation
Polymorphism
ECMAScript Features
Arrow Functions
Using this Keyword
Using the new Keyword
Blocking Scopes
The let Keyword
The const Keyword
Template Literals
Classes
Promises
Destructuring
Object Destructuring
Array Destructuring
Default Parameters
Modules
Enhanced Object Literals
EsLint
Installing Eslint
Configuring Eslint
Running Eslint
Conclusion
Multiple Choice Questions
Answers
Further Reading
3. Overview of Express.js
Introduction
Structure
Defining Express.js
Advantages of Express.js
Limitations of Express.js
Express.js Installation and Creating a Basic Application
Core Features of Express.js
REST APIs
REST Principles
Building REST API
Routing
Route Methods
Route Paths
Route Parameters
Route Handlers
Middleware
Error Handling
Built-in Error Handling
Custom Error Handling
Async Error Handling
Static File Serving
Templating Engines
Security and Performance Best Practices
Conclusion
Multiple Choice Questions
Answers
Further Readings
4. Planning the App
Introduction
Structure
Overview of the Application
Roadmap
Scope
Defining the Modules
User Module
Project Module
Task Module
Comment Module
Database Design
User Schema Table
Role Schema Table
Project Schema Table
Task Schema Table
Comment Schema Table
Setting Up the Project Structure
Init the project
Installation of Project Dependency
Project Directory Structure
Create Express Server
With Cluster for a Large Project
Connecting the Database
Database Models (Entities)
Role Entity
User Entity
Project Entity
Task Entity
Comment Entity
Routes
Role Routes
User Routes
Project Routes
Task Routes
Comment Routes
Conclusion
Multiple Choice Questions
Answers
Further Reading
5. REST API for User Module
Introduction
Structure
Base Controller
Base Service
Role Management
Role Service
Input Validation
Add Role
GetAll Roles
GetOne Role
Update Role
Delete Role
Add Default Role from System
User Management
User Service
Input Validation
User Onboarding
Add Default User from System
User Sign-In
Authentication
Authorization
GetAll Users
GetOne User
Update User
Delete User
Password Management
Change Own Password
Recover Password
Reset Password
Conclusion
6. REST API for Project and Task Modules
Introduction
Structure
Project Management
Project Service
Input Validation
Add Project
GetAll Project
Search Project by Name
GetOne Project
Update Project
Delete Project
Project Util
Task Management
Task Service
Input Validation
Add Task
GetAll Task
Search Task
GetOne Task
Update Task
Delete Task
Upload Supported Files
Conclusion
Further Reading
7. API Caching
Introduction
Structure
Understanding Caching
Introduction to Redis
Setting Up Redis Server
Installing Redis Server on Mac OS
Installing Redis Server on Ubuntu / Linux
Installing Redis Server on Rocky (RHEL-based)
Pros and Cons of Caching
Pros of Caching
Cons of Caching
Using Redis for Caching
Updating Project Dependencies
Cache Utility
Caching Entities
Building Cache at Startup
Consideration when Using Redis
Conclusion
Multiple Choice Questions
Answers
Further Readings
8. Notification Module
Introduction
Structure
Understanding Notification Module
Implementing Queue
Using Redis for Queue
Handling Failures
Notifying About the New Task
Considerations while Implementing Queues
Conclusion
Multiple Choice Questions
Answers
Further Readings
9. Testing API
Introduction
Structure
Overview of Unit Testing
Mocha Framework
Installing Mocha and Chai
Defining a Test Case
Configuring the Application
Hooks
Verifying APIs through Test cases
Login Test
List of User Test
Add User Test
Delete User Test
Mocking Database Connection
Conclusion
10. Building and Deploying Application
Introduction
Structure
Code Obfuscation
Common Techniques
Installing Required Dependencies
Creating an Obfuscation Script
Downside of Code Obfuscation
Building the Application
Deploying the Application
AWS Server Setup
Signing in to the AWS Management Console
Navigating to EC2
Choosing an Amazon Machine Image (AMI)
Key Pair Generation
Network Settings
Configuring Storage
Launching an Instance
Connecting the Server
Deploying Code on Server
Other Methods For Deployment
Conclusion
Multiple Choice Questions
Answers
Further Reading
11. The Journey Ahead
Introduction
Structure
The Story So far
Next Steps
FrontEnd
Reporting
Applying Machine Learning
Server Monitoring
Security Features
SSL/TLS Encryption
Social Media Login
Two-Factor Authentication
LDAP Integration
Container-Based Deployments
Swagger UI
Staying Ahead
Further Reading
Advanced Node.js Development
Full Stack Development
Test-Driven Development
Performance Tuning
Other Topics
Final Thoughts
Index