Posts
All the articles I've posted.
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CQRS - The Enterprise Request Pipeline
By the end of this part, you will learn CQRS, request lifecycle, GraphQL mutation, 9-step module pattern, and index pattern.
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Production Hardening — Config Validation, Logging & Security Middleware
Add Joi environment validation, typed config mapper, global LoggingInterceptor, Helmet, rate limiting and a custom ExceptionFilter — the production hardening layer that prevents silent failures in any NestJS app.
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Database - PostgreSQL, TypeORM, Entities & Migrations
By the end of this part, you will learn PostgreSQL, TypeORM, AbstractEntity, SnakeNamingStrategy, migration lifecycle and verify your schema in Adminer.
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TypeScript Decorators, NestJS DI & the Module System
By the end of this part, you will learn TypeScript decorators, NestJS module system and dependency injection, difference between GraphQL and REST, and Writing your first NestJS module by hand.