NodeJs
Introduction to Node.js
Node.js is a runtime environment that allows you to run JavaScript code on the server side. It uses ...
Installing Node.js and npm
To get started with Node.js, install it from the official website. Node.js comes with npm (Node Pack...
Creating Your First Node.js App
You can create a simple Node.js app by using the built-in 'http' module to set up a basic server. Th...
Modules and require()
Node.js uses modules to organize code. You can use built-in modules like 'fs', 'path', and 'http', o...
File System Module (fs)
The 'fs' module allows you to interact with the file system. You can read, write, update, and delete...
npm and Packages
npm is used to manage external libraries and packages in Node.js. You can initialize a project with ...
Building a Simple API with Express
Express is a lightweight framework for building web servers and APIs in Node.js. It simplifies handl...
Middleware in Express
Middleware functions are used in Express to process requests before sending responses. They can be u...
Environment Variables
Environment variables store configuration data outside of your code, such as database URLs or API ke...
Connecting to MongoDB
MongoDB is a popular NoSQL database often used with Node.js. You can connect to it using the Mongoos...
Building a REST API
A REST API allows communication between a server and client using HTTP methods like GET, POST, PUT, ...
Error Handling
Error handling is crucial for building robust applications. Use try-catch blocks, middleware, and pr...
Authentication with JWT
JSON Web Tokens (JWT) are commonly used for user authentication. The server issues a token after log...
EventEmitter
Node.js uses an event-driven architecture. The EventEmitter class lets you create and handle custom ...
Streams in Node.js
Streams handle data in chunks, making them efficient for reading and writing large files. There are ...
Deploying Node.js Apps
You can deploy Node.js apps to hosting platforms like Heroku, Vercel, or AWS. Make sure to set up en...
Clustering in Node.js
Node.js runs on a single thread by default, which can limit performance on multi-core systems. The '...
WebSockets with Socket.IO
WebSockets enable real-time, bi-directional communication between clients and the server. The 'socke...
Caching with Redis
Caching improves performance by storing frequently accessed data in memory. Redis is a popular in-me...
Rate Limiting
Rate limiting prevents abuse of APIs by restricting the number of requests a client can make within ...
Logging with Winston
Logging is vital for debugging and monitoring production apps. The Winston library provides a flexib...
Asynchronous Programming with Promises and Async/Await
Node.js is asynchronous by default. Understanding Promises and async/await is essential for writing ...
Worker Threads
The 'worker_threads' module allows you to run JavaScript code in parallel threads. This is useful fo...
Microservices Architecture
Microservices involve breaking a large application into smaller, independent services that communica...
Message Queues with RabbitMQ
Message queues help microservices communicate reliably and asynchronously. RabbitMQ is a popular mes...
GraphQL API with Node.js
GraphQL is an alternative to REST APIs that allows clients to request only the data they need. You c...
Testing with Jest
Testing is essential to ensure code quality and prevent bugs. Jest is a popular testing framework fo...
Scaling Node.js with Docker
Docker allows you to containerize your Node.js applications, making them portable and easier to depl...
Security Best Practices
Security is crucial for production applications. Best practices include validating inputs, using HTT...
Monitoring and Performance
Monitoring tools help track app health, performance, and error rates. Tools like PM2, New Relic, and...
Integrating AI with Node.js
You can integrate AI into your Node.js apps by connecting with AI APIs such as OpenAI, Hugging Face,...
TensorFlow.js for Machine Learning
TensorFlow.js lets you run machine learning models directly in Node.js. You can train models or load...
Blockchain Basics with Node.js
Blockchain technology can be used to create decentralized apps (dApps). Using Node.js, you can build...
Smart Contracts with Ethereum
Node.js can be used to deploy and interact with smart contracts on Ethereum. Smart contracts are sel...
Building a dApp Backend
A decentralized application (dApp) often needs a traditional backend to store off-chain data, user a...
Continuous Integration with GitHub Actions
CI/CD pipelines automate the process of testing and deploying code. GitHub Actions can run automated...
Advanced Docker with Kubernetes
Kubernetes is a container orchestration system that automates scaling, deployment, and management of...
Serverless Functions with AWS Lambda
Serverless architecture allows you to run functions on demand without managing servers. AWS Lambda i...
Advanced Authentication with OAuth 2.0
OAuth 2.0 is a secure authentication standard widely used by platforms like Google and Facebook. It ...
Real-Time Analytics Dashboard
Create real-time analytics dashboards using Node.js, WebSockets, and a database like Redis or MongoD...
Distributed Systems with gRPC
gRPC is a high-performance framework for connecting services in distributed systems. It uses protoco...
CI/CD with Jenkins
Jenkins is a popular tool for automating builds, tests, and deployments. It integrates well with Nod...
Event-Driven Microservices
Event-driven architecture uses events to trigger communication between microservices. This allows se...
Scaling to Millions of Users
Scaling Node.js applications to millions of users involves a combination of horizontal scaling, load...
Final Project: Full Stack Enterprise App
Combine everything learned to build a production-ready full stack app with authentication, real-time...