node server

Dockerfile

FROM node:12 AS appbuild
WORKDIR /usr/src/app

COPY package*.json ./
RUN npm install

COPY . .

EXPOSE 8080

CMD [ "node", "server.js" ] 

package.json

{
    "name": "docker_web_app",
    "version": "1.0.0",
    "description": "Node.js on Docker",
    "author": "First Last <first.last@example.com>",
    "main": "server.js",
    "scripts": {
      "start": "node server.js"
    },
    "dependencies": {
      "express": "^4.16.1"
    }
  }

server.js

'use strict';

const express = require('express');

// Constants
const PORT = 8080;
const HOST = '0.0.0.0';

// App
const app = express();
app.get('/', (req, res) => {
  res.send('Hello World');
});

app.post('/test', (req, res) => {
  var seconds = 960;
  var waitTill = new Date(new Date().getTime() + seconds * 1000);
  while(waitTill > new Date()){}
  res.send("Done");
 // 900000
  });

app.listen(PORT, HOST);
console.log(`Running on http://${HOST}:${PORT}`);