Nodejs: simple json server

server.js

// server.js

var http = require('http')

http.createServer( function (req, res) {
  res.writeHead(200, { 'Content-Type': 'application/json' })
  var obj = {
    firstname: 'John',
    lastname: 'Lee'
  }
  
  // serialize - convert object to transferrable data to be consumed in API
  res.end(JSON.stringify(obj))
}).listen(8000)

stream-server.js

// stream-server.js

var http = require('http')
var fs = require('fs')

http.createServer(function (req, res) {
  res.writeHead(200, { 'Content-Type': 'application/json' })
  // 
  fs.createReadStream(__dirname + '/index.htm').pipe(res)
}).listen(8000)

Structure of a URL:
scheme://host:port/path?query

For routing, integrate conditionals for data in req.url (which refers to the path)