Publish a Node.js App to Axway's ARS WITH Healthcheck (assets)

Dockerfile

FROM node:alpine

WORKDIR '/app'

COPY package.json .
RUN npm install
COPY . .

HEALTHCHECK --interval=5s --start-period=10s --timeout=5s --retries=5 CMD node healthcheck.js

CMD ["npm","start"]

healthcheck.js

const http = require('http');
const options = {
    host: 'localhost',
    port: process.env.PORT || 4001,
    timeout: 5000,
    path: '/'
};

const healthCheck = http.request(options, (res) => {
    console.log(`HEALTHCHECK STATUS: ${res.statusCode}`);
    if (res.statusCode == 200) {
        process.exit(0);
    }
    else {
        process.exit(1);
    }
});

healthCheck.on('error', function (err) {
    console.error('ERROR = '+err);
    process.exit(1);
});

healthCheck.end();

index.js

const express = require("express");

const app = express();

app.get("/", (req, res) => {
  res.send("Hello Node/Express App!!!");
});

app.listen(4001, () => {
  console.log("listening on port 4001");
});

package.json

{
  "version": "0.1.0",
  "dependencies": {
    "express": "*"
  },
  "scripts": {
    "start": "node index.js"
  }
}