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UdemyNode.jsPaid courseIntermediate levelCertificate

NestJS - Building Real Project API From Scratch (Udemy.com)

Learn Nest, Typescript, Node, Postgresql, TypeORM, Express, REST Backend by building API for real application

Created by: Oleksandr Kocherhin

Last updated February 2026

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What you will learn

  • Build real project with NestJS
  • Write high quality code in NestJS
  • Create reusable modules and services in NestJS

How it compares

Against the other 118 rated Udemy courses in Node.js on CourseDuck:

  • Rating4.4 out of 5higher than 50% of them
  • Reviews416#52 of 119 by number of reviews
  • Length8 hoursshorter than 50% of them
  • Last updatedFebruary 2026more recently than 83% of them

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Course Description

In this course we will build a Medium clone API using NestJS, Typescript, Typeorm and PostgreSQL. This course is fully focused on fast and deep dive into creation of API for real application with NestJS. We will start from scratch and step by step you will get close to finished real application. You will deeply understand how to structure your application, build reusable and understandable modules and services and split code into smaller chunks of code. We will write code together in efficient way to make it pure and avoid data complexity. 

For each lesson you'll get source code of the lesson, so it's easy to see the progress and get a working app on any lesson you want. 

What you will learn in this course:

  • Structure and configure project

  • Write high quality code with NestJS on real project

  • Create reusable modules, controllers and services

  • Implementing authentication

  • Deeply understand NestJS design patterns

No prior knowledge except of Javascript is needed (because I will teach you everything from basics) but if you have experience with any of this  (Angular/NodeJS/Express/Typescript/Typeorm/PostgreSQL) it will be easier for you to go through this course.

If you are feeling like you learned NodeJS but you still still missing knowledge of how to build your own real application this course is what you need. This course is fully focused on creating the application without getting deep into basic knowledge of NodeJS!

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Instructor Details

Oleksandr Kocherhin

I am a full-stack developer with a passion for learning and teaching what I know. I have been programming for around 10 years and teaching for almost 6 years.

I believe in learning through doing and this philosophy is present in every course that I teach. I love exploring new web & mobile technologies and my courses focus on giving you the edge in our fast-moving industry.

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Reviews

4.4

416 ratings on Udemy

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By Oluwatosin Adegoroye on 4/13/2025

I love the way the course was structure, But the course is too old have to go to youtube to check out migrations

By Dmytro Kryvyi on 2/24/2025

The author covered a lot of things in a short period of time, which is exactly what I was looking for but it can be difficult for beginners. I liked that he shows it with a real example and not just abstractly. Some things shown in this course are outdated and I had to find a solution myself so as not to roll back versions. Didn't show working with сli which greatly simplifies writing boilerplate code.

By Erick Tomaz Silvestre on 4/25/2024

My experience with courses on Udemy wasn't that nice, since I would often stop the course because didn't feel motivated at all. I thought it was on me, but finishing this course in 3 days made me rethink that. Most of instructors on Udemy doesn't have the seniority that Oleksandr has, and that is the point of it: to learn with someone that knows the business, specially when it comes to programming, where there is not just a single way of doing stuff but it is a open world of creativity. Oleksandr has a good code styling, his solutions for common problems are also standard in the industry. Thank you for the course!

By Anonymized User on 1/25/2024

Incredible course. Oleksandr's style of teaching suits me so well and he explains very patiently. His notes about deprecated parts of the videos and solutions ensured I never got stuck. Thanks for a wonderful course, Oleksandr!

By Cube Snell on 5/23/2023

So far it's precise, clear and everything worked. I like how he makes common mistakes and shows you how to fix them. Beware: He picked TypeORM because it hadn't been updated in a while and was stable. It was updated shortly after this video came out. I'm still finding it stable, and the changes are put on the screen, but I still found myself reading a good deal of the actual documentation.

By Connor Brown on 3/10/2023

Brilliant Course. Very detailed and allowed me to get up and running quickly with nestjs. I also appreciate that there are notes that pop up on screen to show how to implement with the latest versions.

By Kiatiphan Muangyai on 2/4/2023

Decent content But using VIM to teach and rapidly switching between page make it hard to keep track which page we're on. Even though it displays directory at the bottom of the screen, it's just unintuitive as most people would think that directory would usually be display on top of the screen (VScode UI, Folder Dir, etc) found my self keep looking at the top of the screen every time you change file, found nothing at top, have to look down. it's sound like nitpicking, but this tediousness adds up as you have to goes against your intuition, unnecessary friction. it also much easier to keep track of project folder structure with VScode. it also doesn't help that you have such a THICK accent, it's hard to distinguish what you're trying to say. Auto-transcript often get it wrong, it even transcript "Thai Prime Minister" at some point. and "ORM" as "RAM" While the video did mention update to the code format of repository method like using "where" inside "find({})" BUT the code inside Resources tab was not updated. why. Without this problem this course would be a 4, as the explanations for many concepts of NestJS wasn't clear due to author's lack of words to explain concept in English and example. Please invest in a powerpoint slide when you want to explain concept + example before you start making changes to your project. it would be so much easier to see and understand than just listening to your words.

By Hamza Baig on 12/17/2022

It is a well suited course of nest.js framework for a developer who has already been working on express.js or has a knowledge of it. Project implementation from scratch to end was very helpful and it has covered a lot of basic concepts in it. A Great course for nest.js developers or Angular developers.

By Federico on 4/5/2022

This course is actually a little masterpiece. I'm a senior front-end developer, and I've to say I'm having tons of fun following all the content. Really: no stupid or boring stuff like todolist, you are going to get your hands dirty with real code, typescript, database stuff etc. Oleksander is so great in explanation, and he cares of writing clean code. Everyone interested in nestJs should buy this course. 100\100 I'm going to buy more courses from this instructor.. Really I'm pretty impressed.

By Ibra Sow on 11/28/2021

This is one of the best courses on NestJs, the explanations are very clear and the teacher is always there to help and guide you. But it's the only training I coded with the teacher with zero error now I'm going to continue with the Angular NgRx training to see how this teacher uses this techno even if I have 2 years of experience in Angular

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Overall Score : 88 / 100