NodeJS Script to GET and POST over Axios

Hello Together. I did write a JS to GET fetch orders from an external API and then creates Deals, LineItems and Contacts accordingly in HubSpot. I did use Axios for it. That script has to run every couple minutes. It all runs fine locally.

Then I tried to find a way to run that on DigitalOcean. First I did an Function then an App based on that tutorial: What puzzles me is, if every script has to be like these schema, but it seems:

function main(args) {
	return {
		body: {
			value: (args.value * 2),
		headers: {
			"Content-Type": "application/json"

How Do I implement includes and a script in that. Something like that I did for testing purposes:

const nodemailer = require('nodemailer');

var transport = nodemailer.createTransport({
  host: "",
  port: 2525,
  auth: {
    user: "xxx",
    pass: "xxx"

    from: '',
    to: '',
    subject: 'Message',
    text: 'I hope this message gets delivered!'
}, (err, info) => {

After that I did create a Dropplet and with that everything works as I can install there AXIOS. I haven’t tried the CronJobs, but I think it would work. Is that the way to go? But then I think I shomehow should link it to my GIT to push the changes automated over there?

Thank You; Thomas.

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Matt Welke
DigitalOcean Employee
DigitalOcean Employee badge
February 2, 2023

It sounds like you have a use case that involves running code on a schedule and you’ve tried a bunch of our services to run it. Based on my understanding, I do think Functions would be appropriate to run your code. And, because it’s the most serverless of our product offerings, it’s probably the best option for you to minimize operations work over time.

How Do I implement includes

By “includes”, I’m assuming you’re referring to importing code in Node.js using require.

To deploy a Node.js function that uses 3rd party libraries like axios, you would include a package.json file in your function directory in your project. You can find an example of such a project at Note how there is a package.json file where the libraries are listed under dependencies.

As you’ve already noted, the function must follow a particular schema:

function main(args) {
  // work to do

So, you need to put your business logic into that function body. You mentioned using axios and you include a code example here using nodemailer. Those are examples of the business logic I’m referring to. The example I linked above shows this concept too. There, the business logic is put into the function body. Because the sample uses a package.json file, turning the function directory into an NPM module, exports is used instead of defining the function at the top level. Currently, it looks like this:

const qrcode = require('qrcode')

exports.main = (args) => {
  return qrcode.toDataURL(args.text).then(res => ({
    headers:  { 'content-type': 'text/html; charset=UTF-8' },
    body: args.img == undefined ? res : `<img src="${res}">`

Note how the require is outside of the function body. This is an optimization. The code inside the function body has to run every time the function is invoked. But, the code outside the function body only has to run during cold starts. It makes sense to do setup stuff outside of the function body to minimize function execution time for warm functions.

Once you’ve deployed your function, have a look at Scheduled Functions (, currently in beta. It allows you to have DigitalOcean automatically invoke your function on a cron schedule. You’ll set up a “trigger”. You can use websites like to easily create the cron schedule for your use case.

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