servidor web en Nodejs.

server.js

'use strict'

const greeting = "Hi there, Docker Init onfire"  

const port = (typeof process.env.PORT !== 'undefined')
  ? process.env.PORT
  : '80'

const express = require('express')
const bodyParser = require('body-parser')

const app = express()
app.use(bodyParser.json())
app.use(bodyParser.urlencoded({extended: true}))

// Constants
const host = '0.0.0.0';

function format(o, pretty) {
  return (pretty)
    ? JSON.stringify(o, null, 2) + '\n'
    : JSON.stringify(o);
}

app.get('/hello/:name', (req, res) => {
  var name = req.params.name
  let timestamp = Date.now()
  res.send(greeting + " " + name + "<br>\n<i>" + timestamp + "</i>\n") 
})
app.get('/ping', (req, res) => {
  res.send("ok")
})

const server = app.listen(port, host);
console.log(`Service running on http://${host}:${port}`)

process.on('SIGTERM', () => {
  console.info('SIGTERM signal received.');
  console.log('Closing http server.');
  server.close(() => {
    console.log('Http server closed.');
    process.exit(0);
  })
})