# Learn NestJS in Hindi 2024 %[https://www.youtube.com/watch?v=9MVSRXe3iMQ&list=PLU-FndeNRY4DtRToRKmYF8qrZgQqzsnNR] ### 00 Introduction Why Nestjs * nestjs and express side by side * nestjs IOC and Typescript * Nestjs decorators * NestJS with Integrations * Nestjs why should i choose it ! ### controller and services (building blocks) * Installing Node.js and Yarn * Installing the NestJS CLI * (Optional) Installing VSCode and Extensions * Creating our project via the NestJS CLI * Creating a Tasks Module * Creating at Tasks Controller * Creating a Tasks Service * Defining a Task Model * Feature Creating a Task (Part - Controller) * Feature Creating a Task (Part - Service) * Implementing CreateTaskDto * Feature Getting a Task by ID * CRUD APIs * Feature Searching and Filtering ### 02 validation and pipes (building blocks) * ValidationPipe Creating a Task * Error Handling Deleting a non-existing Task- * Validation Update Task Status * Challenge Validating Task Filtering and Search ### 03 exception filters and middleware (all building blocks) * Controllers with task api * Providers with task crud apis * Modules with task crud apis * Middleware with task crud apis * Exception filters with task crud apis * Pipes with task crud apis * Guards with task crud apis * Interceptors with task crud apis * Custom decorators with task crud apis * create middleware with task crud apis * apply middleware on routes * exclude routes from middleware * Validating Task Filtering and Search ### 04 Apply all Learning in Demo * Create students apis * Use IN-memory database * CRUD APIs with swagger specs * Payload validation using DTO Validation * Apply Middleware on Private Routes * Create a Mock Login APIs with Token in Auth Header * Apply Guards on Private Route * Add exception Filter on Response Payload * Custom payload data validation using class validator * Adding services and dao layer * How to import export and share modules * Code structure of any basic nestjs application * Creating routing using controllers * Using swagger tags to exose api specs * Using REST API client to test apis * Creating Modules and share Modules * Understanding DI Framework * Understand IOC Container ### 05 Data store with ORM * Introduction to Persistence * Installing Docker and pgAdmin * Running PostgreSQL via Docker * Setting up pgAdmin * Creating a Database using pgAdmin * Introduction to TypeORM * Setting up a Database Connection * Creating a Task Entity * Active Record VS Data Mapper Patterns * Creaing a Tasks Repository Refactoring for Tasks Service * Persistence Getting a Task by ID Persistence * Creating a Task (Challenge) * Persistence Deleting a Task (Solution) * Persistence Deleting a Task Persistence Update Task Status * Small Change Needed Persistence Getting All Tasks ### 06 Different ORM and Migrations * Food Delivery APIs with different ORM * Prisma * Sequelize * Mongoose * TypeORM ### 07 Data store with Prisma/Mongoose/Sequelize * Food Delivery APIs with Prisma * Prisma and Migration * Creating Prism Models Building * APIs with Prisma Building Controller and services * Building Prisma schema with postgres * Building APIs with Prisma client apis ### 08 Intro to Authentication and Authorization * Cookies based auth * session based auth * jwt token based auth * json web token * jwt passport and local strategy * Setting up AuthModule * User Entity and User Repository Feature * Signing Up Validation Credentials and Password Strength * Error Handling Username Conflicts * Securely Storing Passwords Password Hashing With Bcrypt * Feature Signing In Setting up the JWT Module and Passport.js * Signing a JWT Token on Sign In (Authentication) * Implementing JWT Validation * Custom @GetUser Decorator Guarding the Tasks Routes ### 09 Database relationship * Food Delivery APIs with TypeORM * Managing relationship in tables * define relationships in typeorm entities * build apis using typeorm * add auth and authz created in above videos * add middeleare and auth guards * add filters and interceptors