Sending a HTTP request without waiting for a response in Lambda

lambda-send-only.js

const https = require('https')
const URL = require('url')

async function request(url, data) {
    return new Promise((resolve, reject) => {
        let req = https.request(URL.parse(url))
        req.write(data)
        req.end(null, null, () => {
            /* Request has been fully sent */
            resolve(req)
        })
    })
}