Explore the top 20 essential NestJS interview questions and answers for backend developers. Learn about modules, dependency injection, microservices, and other key features of the NestJS framework to ace your next interview. Perfect for developers preparing for NestJS and Node.js backend roles. NestJS is rapidly becoming one of the most popular frameworks for building scalable,…
Learn how to handle file uploads and storage with NestJS in this comprehensive guide. From using Multer for local storage to integrating cloud storage solutions like AWS S3, this tutorial covers everything you need to know to manage file uploads securely and efficiently in your NestJS applications. Perfect for developers looking to implement file upload…
Learn how to manage database migrations in NestJS using TypeORM and Sequelize . Understand the process of setting up migrations, running them, and handling database schema changes in your NestJS projects. Plus, get interview questions and answers for backend developer roles. When you’re working on a project with a database, things can get complicated as…
“Learn how to use Redis with NestJS for caching and real-time data processing. Discover simple steps for integration, real-time Pub/Sub messaging, and performance optimization techniques for building high-speed applications.”Imagine you’re playing a game where you need to keep track of scores quickly without waiting. You’d want a super-fast notebook to write scores instead of using…
“Learn how to implement JWT Authentication and Authorization in NestJS. This guide explains the basics of JWT, its role in securing web applications, and how to set it up in NestJS with practical examples. Ideal for developers looking to secure their APIs using JWT.” Imagine you have a magical key that lets you enter your…
Learn how to integrate MongoDB with Mongoose in your NestJS application. This guide covers everything from setting up MongoDB to creating schemas with Mongoose, making it easier to manage your database efficiently. Perfect for backend developers and Node.js enthusiasts looking to enhance their NestJS skills. Imagine you’re building a big library where you store tons…
Learn about Unit Testing and End-to-End (E2E) Testing in NestJS using Jest. This comprehensive guide covers how to set up Jest, write unit and E2E tests, and prepare for NestJS-related interview questions. Improve your NestJS testing skills with practical examples and best practices. Imagine you built a toy and you want to make sure it…
Learn how to optimize NestJS applications for better performance with techniques like efficient database queries, caching, lazy loading, and asynchronous processing. Discover practical tips and best practices to improve your application’s speed, scalability, and overall user experience. Perfect for developers and those preparing for NestJS-related interviews. NestJS is a framework that helps developers build server-side…
“Learn how to integrate Swagger into your NestJS project for clear and interactive API documentation. This step-by-step guide covers Swagger setup, API decorators, best practices, and provides interview questions and answers for backend developers.” Imagine you are a chef in a restaurant, and you want to make sure your assistant knows exactly how to make…
Learn how to seamlessly integrate TypeORM with NestJS to simplify database operations. This beginner-friendly guide covers setup, creating entities, and performing CRUD operations in a structured and efficient way! Imagine your favorite toy collection needs organizing. Each toy has a name, color, and size. Now, imagine you want to save this collection in a super-organized…
