Jest globalTeardown function to stop and remove containers (e.g. Postgres) which were started as part of the test run

jest-global-teardown.ts

// helpful if you use Nx - else you can omit this import
import 'tsconfig-paths/register';
import { getContainerById } from 'testcontainers/dist/docker/functions/container/get-container';

export default async () => {
  const containerId = process.env.TEST_POSTGRES_CONTAINER_ID!;
  const container = await getContainerById(containerId);
  await container.stop();
  // deletion of docker volume after running all tests
  await container.remove({ v: true }));
};