How to use the testcontainers.GenericContainer function in testcontainers
To help you get started, we’ve selected a few testcontainers examples, based on popular ways it is used in public projects.
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strongloop / loopback-next / acceptance / extension-logging-fluentd / src / __tests__ / fixtures / fluentd.docker.ts View on Github 
async function startFluentd() {
if (process.env.FLUENTD_SERVICE_HOST != null) return;
const container = await new GenericContainer(
'fluent/fluentd',
'v1.7.4-debian-1.0',
)
.withName('fluentd_lb4')
.withExposedPorts(24224, 9880)
.withEnv('FLUENTD_CONF', 'fluentd.conf')
.withBindMount(ETC_DIR, '/fluentd/etc', 'ro')
.start();
process.env.FLUENTD_SERVICE_HOST = container.getContainerIpAddress();
process.env.FLUENTD_SERVICE_PORT_TCP = container
.getMappedPort(24224)
.toString();
process.env.FLUENTD_SERVICE_PORT_HTTP = container
.getMappedPort(9880)
.toString();
return container;testcontainers
Testcontainers is a NodeJS library that supports tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container
