load-test.js

import http from 'k6/http'
import { sleep, check } from 'k6'

const { url, users, rampDuration = '5m', fullLoadDuration = '10m' } = __ENV // eslint-disable-line no-undef

export const options = {
  stages: [
    { duration: rampDuration, target: parseInt(users, 10) }, // simulate ramp-up of traffic from 1 to ${users} users
    { duration: fullLoadDuration, target: parseInt(users, 10) }, // stay at ${users} users
    { duration: rampDuration, target: 0 } // ramp-down to 0 users
  ],
  thresholds: {
    http_req_duration: [{ threshold: 'p(95)<500', abortOnFail: true }] // 95% of requests must complete below .5s
  }
}

export default function () {
  const res = http.get(url)
  if (
    !check(res, {
      'status was 200': r => r.status === 200
    })
  ) {
  }
  sleep(1)
}