load-test.js

import http from 'k6/http';
import { sleep } from 'k6';

export let options = {
    stages: [
        { duration: '30s', target: 100 },
        { duration: '30s', target: 300 },
        { duration: '30s', target: 600 },
        { duration: '30s', target: 1000 },
        { duration: '30s', target: 0 },
    ],
};

export function setup() {
    let res = http.post(
        'http://host.docker.internal:8081/auth/login',
        JSON.stringify({
            email: "test12@gmail.com",
            password: "test1234"
        }),
        { headers: { 'Content-Type': 'application/json' } }
    );

    return { token: res.json('data') };
}

export default function (data) {
    http.get(
        'http://host.docker.internal:8081/post/user/1',
        {
            headers: {
                Authorization: `Bearer ${data.token}`
            }
        }
    );

    sleep(1);
}