Fastify: Building High-Performance Node.js APIs

What you'll learn

• Create routes with request and reply objects and proper status codes.
• Validate and serialize data with JSON Schema and TypeBox type providers.
• Structure apps with plugins, encapsulation, hooks and autoload.
• Add authentication, database access, error handling and logging.
• Test, secure, containerize and scale a Fastify service.

Syllabus

Module 1: Getting Started

1. What is Fastify?
2. Installation & Setup
3. Your First Server

Module 2: Foundation

1. Request & Reply Objects
2. Plugins & Decorators
3. Configuration & Options

Module 3: Core Routing & Handlers

1. Basic Routing
2. Route Parameters & Query
3. Route Handlers & Status Codes

Module 4: Data Handling & Validation

1. JSON Schema & Validation
2. Response Serialization
3. Parsing Request Bodies

Module 5: Design Patterns & Hooks

1. Lifecycle Hooks
2. Middleware & Hooks Pattern
3. Encapsulation & Scope
4. Type Providers with TypeBox
5. Project Structure with autoload

Module 6: Practical Implementation

1. Authentication with JWT
2. Database Integration
3. Testing Routes

Module 7: Quality & Reliability

1. Error Handling
2. Logging

Module 8: Tools & Deployment

1. TypeORM with Fastify
2. Docker & Containerization
3. Deployment & Production

Module 9: Performance & Scaling

1. Caching Strategies
2. Rate Limiting
3. Scaling & Clustering

Module 10: Best Practices & Interview

1. Security Best Practices
2. CORS & Security Headers
3. Monitoring & Observability
4. Interview Questions & Tips