Learn FASTIFY with Real Code Examples

Todo API with JSON schema validation

Blog backend with CRUD operations

Authentication server with JWT

E-commerce microservice backend

IoT data ingestion server with high throughput

Ensure Node.js and Fastify versions are compatible

Check for port availability

Validate JSON schemas to prevent request errors

Monitor logs for plugin initialization issues

Handle uncaught exceptions via `setErrorHandler`

Use Tap, Jest, or Mocha/Chai for unit testing

Test endpoints with Postman or Insomnia

Validate schema input/output

Mock database connections for tests

Automate tests in CI/CD pipelines

Cloud services (AWS, Heroku, DigitalOcean)

Docker containerization

Serverless platforms (AWS Lambda) with Fastify adapters

PM2 or cluster mode for scaling

Reverse proxy with Nginx for production

Node.js runtime

Nodemon for development

Postman/Insomnia for API testing

Pino logger for monitoring

Fastify plugins from npm

Databases (MongoDB, PostgreSQL, MySQL)

TypeScript for type safety

Authentication (JWT, OAuth2) plugins

WebSocket via fastify-websocket

Frontend frameworks (React, Vue, Angular)

Leverage plugin encapsulation for reuse

Define JSON schemas for reliable APIs

Use hooks for cross-cutting concerns

Automate tests and deployment

Monitor logs for proactive maintenance

Mastering plugin encapsulation

Writing accurate JSON schemas

Managing lifecycle hooks effectively

Optimizing performance under heavy load

Securing APIs and handling errors gracefully