A comprehensive guide to building REST API backends using NestJS, covering its modular architecture, core components, and practical implementation details. The article walks through setting up a compl
ete project with validation, database integration, and testing capabilities while highlighting NestJS's TypeScript support and built-in features.
Reasons to Read -- Learn:
how to build a complete REST API backend using NestJS's modular architecture, with step-by-step instructions for creating controllers, services, and DTOs with practical code examples.
how to implement proper validation in NestJS using class-validator and class-transformer libraries, including how to set up global validation pipes and create validated DTOs.
how to integrate TypeORM with NestJS for database operations, including configuration setup and connection management with PostgreSQL.
publisher: @priyanshu011109
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