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Sharding and Horizontal Scaling in MongoDB

Table of Contents Introduction to Sharding and Horizontal Scaling Why Horizontal Scaling is Important for MongoDB Sharding Architecture in MongoDB Shard Key Config Servers Mongos Setting Up Sharding in MongoDB How MongoDB...
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Replica Sets and High Availability in MongoDB

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Backup and Restore in MongoDB (mongodump, mongorestore)

Table of Contents Introduction to MongoDB Backup and Restore Why Backup and Restore are Crucial in MongoDB mongodump: Backing Up MongoDB Data What is mongodump? How to Use mongodump Options...
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Encryption at Rest and In Transit in MongoDB

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Schema Definition and Validation with Mongoose

Table of Contents Introduction to Mongoose Schema Defining a Mongoose Schema Mongoose Schema Types Setting Default Values Mongoose Validation Built-in Validation Custom Validation Async Validation Validating Arrays and Nested Objects Required Fields and Field...

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MongoDB with Mongoose ORM

Table of Contents Introduction to Mongoose What is an ORM (Object Relational Mapping)? Setting Up Mongoose Defining Mongoose Models CRUD Operations Using Mongoose Create (insertOne, insertMany) Read (findOne, find) Update (updateOne, updateMany) Delete...

CRUD Operations in Node.js with MongoDB (with Code Examples)

Table of Contents Introduction What is CRUD? Setting Up the Project Connecting to MongoDB Create Operation (insertOne, insertMany) Read Operation (findOne, find) Update Operation (updateOne, updateMany) Delete Operation (deleteOne, deleteMany) Error Handling &...

MongoDB with Node.js Using the Official Driver

Table of Contents Introduction Why Use the Official MongoDB Driver? Installing MongoDB Driver for Node.js Connecting to MongoDB (Local and Atlas) CRUD Operations with the MongoDB Driver Using Connection Pooling Error...

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End-to-End Example: Google OAuth + JWT + WebSocket Auth with Socket.IO

Kumar Prafull -
Project Structure oauth-websocket-app/│├── server.js├── auth/│ └── google.js├── middleware/│ └── socketAuth.js├── public/│ └── index.html├── .env├── package.json Prerequisites Node.js installed Google Developer Console project...

Integrating WebSockets with OAuth and SSO Systems in Node.js

Kumar Prafull -
Real-time applications often rely on WebSockets for persistent, low-latency communication, but integrating them with traditional OAuth 2.0 or SSO flows poses a unique challenge....

Advanced WebSocket Authentication & Authorization in Node.js

Kumar Prafull -
When building secure and scalable real-time apps using WebSockets and Node.js, authentication is only the beginning. To ensure robust security, we need to go...

WebSocket Authentication in Node.js

Kumar Prafull -
Real-time applications powered by WebSockets offer low-latency communication but come with a significant challenge—securing WebSocket connections. Traditional HTTP authentication methods like cookies and sessions...

Real-time Applications with WebSockets in Node.js

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Real-time communication has become a crucial aspect of modern applications. Whether it's a live chat, a stock ticker, or collaborative document editing, WebSockets enable...

Creating RESTful APIs with Express.js (Advanced Guide)

Kumar Prafull -
RESTful APIs are the backbone of modern web applications. With Express.js, building powerful and scalable APIs becomes much easier. While beginners can get started...

Node.js Performance Optimization – Best Practices and Techniques

Kumar Prafull -
Node.js is known for its speed and scalability, but to harness its full power, developers must implement performance optimization techniques. Whether you're building APIs,...

Streams and Buffers in Node.js – A Complete Guide

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Streams and Buffers are fundamental concepts in Node.js that enable efficient handling of large volumes of data. Whether you’re reading files, sending data over...

Advanced Event Handling in Node.js

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Node.js is fundamentally event-driven. While we’ve already looked at how the Event Loop works, it's equally important to understand Event Handling using the core...

Node.js Event Loop Deep Dive

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Node.js operates on a non-blocking, asynchronous architecture, which is one of the key reasons for its high performance. At the core of this architecture...

Creating Routes with Express in Node.js

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Express.js is one of the most popular web application frameworks for Node.js. It provides a robust set of features for building web applications, including...

Authentication and Authorization in Node.js with Passport.js

Kumar Prafull -
Authentication and authorization are two key concepts for building secure web applications. Authentication ensures that a user is who they claim to be, while...
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