api-test.js

// import necessary modules
import { check } from "k6";
import http from "k6/http";

// define configuration
export const options = {
    // define thresholds
    thresholds: {
        http_req_failed: ['rate<0.01'], // http errors should be less than 1%
        http_req_duration: ["p(99)<1000"], // 99% of requests should be below 1s
    },
    // define scenarios
    scenarios: {
        // arbitrary name of scenario
        average_load: {
            executor: "ramping-vus",
            stages: [
                // ramp up to average load of 20 virtual users
                { duration: "10s", target: 20 },
                // maintain load
                { duration: "50s", target: 20 },
                // ramp down to zero
                { duration: "5s", target: 0 },
            ],
        },
    }
};

export default function () {
    // define URL and request body
    const url = "http://localhost:8085/";
    const res = http.get(url);

    // check that response is 200
    check(res, {
        "response code was 200": (res) => res.status == 200,
    });
}