Node.js Framework Series — 1.2. NestJS — Building Blocks

NestJS - A progressive Node.js framework

The following are the building blocks used when building NestJS applications and we will explain them later on the subsections:

• Controllers
• Modules
• Providers/Services
• Middleware
• Exception filters
• Pipes
• Guards
• Interceptors
• Custom Decorators

Application Architecture — Controllers with Routers

We will deep dive all of the building blocks in the following sections. We will explain them with simple RestAPIs microservices. Let say we will create a website. Let’s create high level possible microservice diagram as follows:

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Node.js Framework Series — 1. NestJS Framework

Node.js Framework Series I.I— NestJS — Lifecycle events

Node.js Framework Series — 1.2. NestJS — Building Blocks

Node.js Framework Series — 1.2.1. NestJS — Controllers

Node.js Framework Series — 1.2.2. NestJS — Modules

Node.js Framework Series — 1.2.3. NestJS — Providers/Services

Node.js Framework Series — 1.2.4. NestJS — Middleware

Node.js Framework Series — 1.2.5. NestJS — Interceptor

Node.js Framework Series — 1.2.6. NestJS — Exceptions

Node.js Framework Series — 1.2.7. NestJS — Pipes

Node.js Framework Series — 1.2.8. NestJS — Guards