NestJS Zero to Hero - Modern TypeScript Back-end Development
- Description
- Curriculum
- FAQ
- Reviews
NestJS is a Node.js back-end development framework built upon Express, leveraging the power of TypeScript.
NestJS leverages the incredible popularity and robustness of JavaScript as a language and Node.js as a technology. It is inspired by common libraries and frameworks such as Angular, React and Vue which improve developer productivity and experience.
Even considering the amount of superb libraries, helpers and tools that exist for server-side Node.js, none of them effectively solve the main problem – the architecture of an application.
NestJS provides an out-of-the-box application architecture which allows developers and teams to create highly testable, scalable, loosely coupled and easily maintainable applications.
Recently, the NestJS framework is gaining extreme popularity due to its incredible features;
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Leverages TypeScript – strongly typed language which is a super-set of JavaScript
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Simple to use, easy to learn and easy to master
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Powerful Command Line Interface (CLI) tool that boosts productivity and ease of development
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Detailed, well-maintained documentation
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Active codebase development and maintenance
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Open-source (MIT license)
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Supports dozens nest-specific modules that help you easily integrate with common technologies and concepts such as TypeORM, Mongoose, GraphQL, Logging, Validation, Caching, Websockets and much more
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Easy of unit-testing applications
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Made for Monoliths and Micro-services (entire section in the documentation regarding the Microservice type of a NestJS application, as well as techniques and recipes).
In this course I am going to guide you through the process of planning, developing and deploying a fully-featured back-end application, based on my experience developing and maintaining systems that support dozens of millions of concurrent users at scale.
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6
Project Overview -
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Creating our project via the NestJS CLI
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NestJS Project Structure
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9
Introduction to NestJS Modules
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10
Creating a Tasks Module
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11
Introduction to NestJS Controllers
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12
Creating at Tasks Controller
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Introduction to NestJS Providers and Services
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14
Creating a Tasks Service
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15
Feature: Getting All Tasks
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Installing Postman -
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Creating a Postman Collection
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Defining a Task Model
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Feature: Creating a Task (Part 1 - Controller)
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Feature: Creating a Task (Part 2 - Service)
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Intro to Data Transfer Objects (DTO)
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Implementing CreateTaskDto
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Feature: Getting a Task by ID
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Challenge: Deleting a Task
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Solution: Deleting a Task
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Challenge: Update Task Status
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27
Solution: Update Task Status
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28
Feature: Searching and Filtering
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29
Summary Quiz -
30
Section Code
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38
Introduction to Persistence
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39
Installing Docker and pgAdmin
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40
Running PostgreSQL via Docker
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41
Setting up pgAdmin
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Creating a Database using pgAdmin
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43
Introduction to TypeORM
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44
Setting up a Database Connection
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Creating a Task Entity
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Active Record VS Data Mapper Patterns
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47
Creating a Tasks Repository
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48
Refactoring for Tasks Service
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49
Persistence: Getting a Task by ID
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50
Persistence: Creating a Task
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51
(Challenge) Persistence: Deleting a Task
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52
(Solution) Persistence: Deleting a Task
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Persistence: Update Task Status
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Small Change Needed
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Persistence: Getting All Tasks
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56
Section Code
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57
Intro to Authentication and Authorization
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58
Setting up AuthModule, User Entity and User Repository
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59
Feature: Signing Up
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60
Validation: Credentials and Password Strength
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Error Handling: Username Conflicts
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Securely Storing Passwords
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Password Hashing With Bcrypt
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Feature: Signing In
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65
Intro to JSON Web Tokens (JWT)
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66
Setting up the JWT Module and Passport.js
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67
Signing a JWT Token on Sign In (Authentication)
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68
Implementing JWT Validation
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Custom @GetUser Decorator
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70
Guarding the Tasks Routes
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71
Section Code
