Learn HAPI with Real Code Examples

Install Node.js (v16+ recommended)

Create a new project: `npm init -y`

Install Hapi: `npm install @hapi/hapi`

Create server and define routes

Run project via `node server.js`

Install Node.js

Initialize project with npm

Install Hapi and required plugins

Implement routes, handlers, and plugins

Run server locally and test

package.json - project dependencies

server.js - main Hapi server

routes/ - route definitions

plugins/ - modular features

handlers/ - route logic

npm init -y - create project

npm install @hapi/hapi - install Hapi

node server.js - run server

npm test - run tests

npm install <plugin> - add Hapi plugin

Optional via third-party Node.js i18n packages

UTF-8 content supported

Locale selection handled in handlers

Translation bundles configurable

Integrates with external i18n tools if needed

APIs accessible via HTTP clients

CORS configuration supported

Server-rendered templates can include ARIA attributes

Input validation to prevent malformed requests

Testing with Lab and automated scripts

Primarily JSON APIs

Optional templating via Vision or Handlebars

Serve static files with Inert

Integrate front-end frameworks (React/Vue/Angular)

CSS frameworks optional for server-rendered pages

Server and plugin instances manage application state

Caching and session storage via Catbox

Handlers process per-request state

Lifecycle methods can manipulate request/response state

Shared configuration accessible across plugins

Database connections via ORMs or native drivers

Caching frequently accessed data

Sessions for user state

Request payload validation and sanitization

Logging request and error data