$ npm i nestjs-elastic-apm

import * as dotenv from 'dotenv';
dotenv.config(); //
import apm from 'nestjs-elastic-apm';
...

...
import { ApmModule } from 'nestjs-elastic-apm';
...

@Module({
...
imports: [
...,
ApmModule.register(),
...
]
})
export class AppModule { }

...
import { ApmService } from 'nestjs-elastic-apm';
...
...
@Injectable()
export class TestService {
constructor(private readonly apmService: ApmService) {}

doSomething(): void {
const span = this.apmService.startSpan('Custom span name');
....
span.end();
}
}
...

# Override service name from package.json
ELASTIC_APM_SERVICE_NAME
# Use if APM Server requires a token
ELASTIC_APM_SECRET_TOKEN
# Use if APM Server uses API keys for authentication
ELASTIC_APM_API_KEY
# Set custom APM Server URL (default: http://localhost:8200)
ELASTIC_APM_SERVER_URL
# Set 'true' value to enable APM agent
ELASTIC_APM_ACTIVATE
# Set comma-separated values to disable particular modules to be instrumented
ELASTIC_APM_DISABLE_INSTRUMENTATIONS