nest.md

NestJS

Introduction

• NestJS Introduction
• Controllers

Validation

• Pipes in NestJS
• Data Transfer Objects (DTOs)

• Essential DTO Decorators
• Mapped Types

Dependency Injection

• Dependency Injection (DI)
• Inter-Module and Circular Dependency

Documentation

• Swagger
• Compodoc and JSDoc

SQL Databases

• TypeORM with PostgreSQL in NestJS

Exception Handling

• Exceptions
• Custom Exceptions

Environments

• Environments in NestJS
• Custom Configuration

• Module Configuration
• Validating Environment Variables

Authentication

• Introduction to Authentication

• Configuring JWT in NestJS
• Hash Provider using Bcrypt

• Generate / Refresh Tokens
• Google Authentication

Guards

• Introduction to Guards in NestJS
• Implementing and Using Guards

Decorators

• Introduction to Decorators
• Custom Parameter Decorator
• Auth Guard & Custom Decorator

Interceptors

• Interceptors and Serialization

Practical

• Reusable Pagination Module
• Notification Emails

• S3 Bucket File Uploads
• AWS EC2 Deployment

TypeORM

Fundamentals

• Configure TypeORM with PostgreSQL in NestJS
• Creating and Configuring Database Entities

• Repository Injection
• Repository Methods / Database Operations

• Implementing Transactions

• Migrations Overview
• Set up and Use Migrations

Relationships

• Types of Relationships
• Relationship Options

• One-to-One (1:1) Relationship
• Operations in (1:1) Relationships

• One-to-Many (1:N) and Many-to-One (N:1)
• Many-to-Many (M) Relationship