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Handling Input Validation and Auth in GraphQL in NestJS

Kumar Prafull -
GraphQL allows for flexible and efficient data querying, but managing input validation and authentication within your GraphQL API requires specific strategies. NestJS provides powerful...

Resolvers, Queries, Mutations, and Subscriptions in NestJS

Kumar Prafull -
GraphQL enables you to interact with your data by defining a schema that specifies the types, queries, mutations, and subscriptions. The key component that...

Setting Up GraphQL with Code-First and Schema-First Approaches in NestJS

Kumar Prafull -
GraphQL is a query language for APIs that allows clients to request exactly the data they need, making it an efficient alternative to RESTful...

Working with Background Jobs using Bull and Redis in NestJS

Kumar Prafull -
Background jobs are crucial for offloading resource-intensive tasks, such as email sending, image processing, or data synchronization, from the main request-response cycle. Bull, a...

Using Event Emitters and Async Event Handling in NestJS

Kumar Prafull -
Event-driven architecture is a powerful design pattern that promotes loose coupling, scalability, and better organization of logic. In NestJS, you can leverage the built-in...

Redis Pub/Sub with WebSockets for Scalable Messaging in NestJS

Kumar Prafull -
As your real-time application grows, a single WebSocket server may not be able to handle all clients efficiently. In a distributed system where multiple...

Building a Chat App with Gateway, Rooms, and Events in NestJS

Kumar Prafull -
Real-time chat applications are a perfect use case for WebSockets. In this module, we'll build a basic chat app using NestJS WebSocket Gateways, Socket.IO...

WebSockets in NestJS with @nestjs/websockets

Kumar Prafull -
In the modern web, real-time communication is increasingly becoming a necessity. Whether it's a live chat app, real-time analytics dashboard, multiplayer game, or stock...

Middleware vs Guard for Auth Handling in NestJS

Kumar Prafull -
When building secure applications with NestJS, authentication plays a central role. Two common mechanisms used for request-level processing are Middleware and Guards. Both can...

Using Sessions and Cookies in NestJS: Persistent Login and Secure State Management

Kumar Prafull -
While JWTs are a popular method for authentication in modern APIs, sessions and cookies remain a secure and viable solution — especially in traditional...

Role-Based Access Control (RBAC) and Guards in NestJS

Kumar Prafull -
Controlling access to resources based on user roles is a fundamental security practice in modern application development. In NestJS, Guards offer a clean and...

Refresh Tokens and Token Rotation in NestJS: Secure JWT Authentication

Kumar Prafull -
As you build secure applications with NestJS and JWT authentication, one critical concern is token expiration. Access tokens should have short lifespans for security,...
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