よく知られたNode.js フレームワークの特徴、インストール方法、ハロー・ワールドまで

yarn add express --save

constexpress=require('express')constapp=express()constport=3000app.get('/',(req,res)=>{res.send('Hello World!')})app.listen(port,()=>{console.log(`Example app listening at http://localhost:${port}`)})

yarn global add koa

constKoa=require('koa');constapp=newKoa();// responseapp.use(ctx=>{ctx.body='Hello Koa';});app.listen(3000);

yarn add fastify --save

// Require the framework and instantiate itconstfastify=require('fastify')({logger:true})// Declare a routefastify.get('/',async(request,reply)=>{return{hello:'world'}})// Run the server!conststart=async()=>{try{awaitfastify.listen(3000)fastify.log.info(`server listening on ${fastify.server.address().port}`)}catch(err){fastify.log.error(err)process.exit(1)}}start()

yarn add hapi --save

constHapi=require('hapi');constinit=async()=>{constserver=Hapi.server({port:3000,host:'localhost'});server.route({method:'GET',path:'/',handler:(request,h)=>{return'Hello World!';}});awaitserver.start();console.log('Server running on %s',server.info.uri);};process.on('unhandledRejection',(err)=>{console.log(err);process.exit(1);});init();

$ yarn global add @adonisjs/cli
$ adnis new demo
$ cd demo
$ adonis serve --dev

$ git clone https://github.com/totaljs/emptyproject.git
$ cd emptyproject
$ yarn
$ node index.js

$ yarn global add sails
$ sails new test-project

Choose a template for your new Sails app:
1. Web App  ·  Extensible project with auth, login, & password recovery
2. Empty    ·  An empty Sails app, yours to configure
(type"?"for help, or <CTRL+C> to cancel)
?

$ cd test-project
$ sails lift

$ yarn global add ghost-cli
$ mkdir myapp
$ cd myapp
$ ghost install local