Simple nodejs testcontainer implementation with Redis and typescript

testcontainer.example.spec.ts

import { RedisClientType, createClient } from 'redis';
import {
  GenericContainer,
  Network,
  RandomUuid,
  StartedTestContainer,
  StoppedTestContainer,
} from 'testcontainers';

describe('Redis', () => {
  let startedContainer: StartedTestContainer;
  let stoppedContainer: StoppedTestContainer;
  let redisClient: RedisClientType;

  beforeAll(async () => {
    const REDIS_PORT = 6379;
    const network = await new Network(new RandomUuid()).start();
    const container = new GenericContainer('redis/redis-stack-server')
      .withExposedPorts(REDIS_PORT)
      .withNetwork(network)
      .withNetworkMode(network.getName());
    startedContainer = await container.start();

    const host = startedContainer.getHost();
    const port = startedContainer.getMappedPort(REDIS_PORT);
    const redisUrl = `redis://${host}:${port}`;
    redisClient = createClient({
      url: redisUrl,
    });
    await redisClient.connect();
  });

  afterAll(async () => {
    await redisClient.quit();
    stoppedContainer = await startedContainer.stop();
    console.log('container', stoppedContainer);
  });

  it('works', async () => {
    await redisClient.set('key', 'val');
    expect(await redisClient.get('key')).toBe('val');
  });
});