Fundamentals of NestJS from Coursera

Welcome to the "Fundamentals of NestJS" course for Modern Backend Development, where you will embark on a comprehensive journey to become a proficient NestJS developer. This course is divided into two modules, each focused on essential aspects of NestJS development. In Module 1, we'll get you started with NestJS, covering the fundamentals and project setup. Module 2 delves into more advanced concepts, including services, middleware, and exception handling.

In Module 1, "Getting Started with NestJS," we embark on a journey to explore the fundamental concepts and setup of this powerful Node.js framework. In Lesson 1, we provide an introduction to NestJS, give an overview of its capabilities, guide you through setting up the development environment, and delve into the project structure. In Lesson 2, we focus on controllers and routing, understanding their roles, handling route parameters and query strings, and effectively managing requests and responses.

In Module 2, "Services, Middleware, and Exception Filters," we dive deeper into NestJS, exploring essential concepts for building robust and modular applications. In Lesson 1, we'll focus on services and dependency injection, covering how to create services, utilize providers, and manage service scopes within modules. In Lesson 2, we'll delve into middleware and exception filters, understanding their roles, implementing exception filters, and effectively putting all these concepts together in your NestJS applications.

Our target learner is anyone with a basic understanding of JavaScript and web development concepts, eager to delve into the world of Nest.js. Whether you're a beginner looking to start your backend development journey or an experienced developer aiming to enhance your skillset with Nest.js, this course is tailored for you.

What's inside

Syllabus

Getting Started with NestJS

Services, Middleware, and Exception Filters

Good to know

Know what's good

, what to watch for

, and possible dealbreakers

Teaches the fundamentals of NestJS, a modern backend development framework for Node.js

Develops skills in creating robust and modular Node.js applications using NestJS

Provides a comprehensive understanding of NestJS concepts, including services, middleware, and exception filters

May require some prior experience with JavaScript and web development concepts

Does not provide hands-on labs or interactive materials

Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Fundamentals of NestJS with these activities:

Practice NestJS routing

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Reinforce your understanding of NestJS routing by practicing how to define routes and handle requests.

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Create a new NestJS application.
Define a simple route in a controller.
Handle a GET request and return a response.

Create a basic NestJS service

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Build proficiency in creating and utilizing NestJS services, which promote modularity and code organization.

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Define a simple service with a method.
Inject the service into a controller.
Call the service method from the controller.

Implement error handling with NestJS exception filters

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Develop your skills in error management by implementing NestJS exception filters, ensuring robust and maintainable error handling.

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Create an exception filter to catch specific exceptions.
Handle the exception and return a custom response.
Test the exception filter by throwing an error.

Four other activities

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Follow a tutorial on NestJS best practices

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Enhance your NestJS development techniques by following a guided tutorial on best practices, optimizing your code for efficiency and maintainability.

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Identify a reputable tutorial on NestJS best practices.
Work through the tutorial, implementing the recommended practices.
Refine your NestJS codebase based on the best practices learned.

Build a simple REST API using NestJS

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Solidify your understanding of NestJS by building a RESTful API that integrates routing, services, and error handling, demonstrating practical application of course concepts.

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Design the API endpoints and data model.
Create NestJS controllers and services for each endpoint.
Implement CRUD operations (Create, Read, Update, Delete) using NestJS.
Configure error handling and exception filters.
Test the API using Postman or a similar tool.

Attend a workshop on advanced NestJS techniques

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Expand your NestJS knowledge by attending a workshop focused on advanced techniques, gaining insights from industry experts and exploring real-world applications.

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Identify and register for a relevant NestJS workshop.
Attend the workshop and actively participate in discussions.
Implement the learned techniques in your NestJS projects.

Mentor junior developers in NestJS

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Reinforce your NestJS understanding while supporting others' learning by mentoring junior developers, offering guidance and sharing your knowledge.

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Identify opportunities to mentor junior developers.
Share your NestJS knowledge and experience.
Provide guidance and support as needed.
Reflect on your mentoring experience and identify areas for improvement.

Career center

Learners who complete Fundamentals of NestJS will develop knowledge and skills that may be useful to these careers:

Backend Developer

A Backend Developer who works with NestJS can expect to perform tasks ranging from creating and deploying APIs to developing server-side applications. A course in NestJS, a popular Node.js framework, can help a Backend Developer to learn about and use Node.js for the backend. It teaches how to stand up an environment, make server-side requests, and use the controller, router, service, and middleware elements of NestJS.

See salaries and explore the career path for Backend Developer

Node.js Developer

Node.js Developers work extensively with JavaScript and are responsible for building the backend architecture of web and mobile applications. A course in NestJS can help a Node.js Developer build a foundation in NestJS, a framework that makes it easier to create scalable and maintainable Node.js applications.

See salaries and explore the career path for Node.js Developer

Full-Stack Developer

Full-Stack Developers have the skills to work on both the front and back ends of applications. A course in NestJS would be very helpful for a Full-Stack Developer, as it teaches how to use Node.js and NestJS to build the backend components of applications. It would be especially helpful for a Full-Stack Developer looking to use Node.js in their projects.

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Web Developer

Web Developers use various programming languages to develop and maintain websites and web applications. A course in NestJS will help a web developer who is interested in using Node.js to build dynamic and interactive web applications. It can teach a web developer how to use the MVC architecture pattern, use middleware, and implement dependency injection.

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Mobile Developer

Mobile Developers create and maintain applications for mobile devices. While less common, some mobile developers may use Node.js to build the backend for mobile apps. A course in NestJS may help these mobile developers get started using NestJS to build APIs and server-side applications for mobile devices.

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Software Developer

Software Developers work across a range of technologies and platforms to develop software solutions. A course in NestJS may help a software developer learn how to use NestJS to rapidly build scalable and maintainable Node.js applications. It can teach the basics of the framework, from its architecture to its features.

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Cloud Engineer

Cloud Engineers design, build, and manage cloud-based systems and infrastructure. A course in NestJS may be somewhat useful to a Cloud Engineer who needs to build and deploy Node.js applications on the cloud. It can teach them about NestJS and how to use it with cloud platforms.

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Systems Engineer

Systems Engineers design, implement, and manage computer systems. A course in NestJS may be somewhat useful to a Systems Engineer who needs to use Node.js for backend development. It can teach them about NestJS and how to use it to build scalable and maintainable applications.

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DevOps Engineer

DevOps Engineers are responsible for bridging the gap between development and operations teams to improve software delivery. A course in NestJS may be somewhat useful to a DevOps Engineer who needs to work with Node.js applications. It can teach them about NestJS and how it can be used to create and maintain Node.js applications.

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Database Administrator

Database Administrators manage and maintain databases. A course in NestJS may be somewhat useful to a Database Administrator needing to work with Node.js applications that use NestJS as a framework. It can teach the basics of NestJS, such as its architecture, features, and how to use it with databases.

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Data Scientist

Data Scientists use scientific methods, processes, algorithms, and systems to extract knowledge and insights from data. A course in NestJS may be somewhat useful to a Data Scientist who needs to use Node.js for data analysis or machine learning tasks. It can teach the basics of NestJS and how to use it to build data-driven applications.

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Machine Learning Engineer

Machine Learning Engineers design, develop, and maintain machine learning models. A course in NestJS may be somewhat useful to a Machine Learning Engineer who needs to use Node.js to build machine learning applications. It can teach the basics of NestJS and how to use it with machine learning libraries.

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Data Analyst

Data Analysts collect, clean, and analyze data to help businesses make informed decisions. A course in NestJS may be somewhat useful to a Data Analyst who needs to use Node.js for data analysis tasks. It can teach the basics of NestJS and how to use it to build data-driven applications.

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Business Analyst

Business Analysts work with stakeholders to define and document business requirements. A course in NestJS may be somewhat useful to a Business Analyst who needs to understand how Node.js and NestJS are used to build backend applications. It can teach the basics of NestJS and how it can be used to meet business requirements.

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Project Manager

Project Managers plan, execute, and close projects. A course in NestJS may be of little use to a Project Manager. However, it can help a Project Manager who needs to understand the technical aspects of Node.js and NestJS development.

See salaries and explore the career path for Project Manager