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 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 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 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…
“Learn how to integrate NestJS with Sequelize ORM and PostgreSQL step-by-step. Simplify database operations, create models, and build robust APIs with this beginner-friendly guide. Perfect for developers working with TypeScript and backend frameworks.” Introduction: Making Apps Talk to Databases Imagine you have a big toy box (your database), and you need a friendly robot (NestJS)…
Learn the essentials of error handling and logging in NestJS applications. Discover how to manage exceptions, implement custom logging, and build robust, scalable backend systems with NestJS. Perfect for developers aiming to master NestJS best practices! Imagine you’re running a lemonade stand, and suddenly, a customer says their lemonade tastes funny. How would you fix…
Unlock the potential of building high-performance GraphQL APIs with NestJS in this easy-to-follow guide. Learn best practices, step-by-step instructions, and prepare for interviews with real-world GraphQL and NestJS questions. Start creating flexible, efficient APIs for your next web project today! Imagine you’re at a restaurant, and you want to order some food. Instead of the…
Learn how to implement pagination and search functionality in a NestJS application using Sequelize ORM. This guide covers step-by-step instructions with examples, and also includes common interview questions and answers on the topic. Imagine you’re looking for your favorite books in a library with thousands of them! It would be really hard to find one…
