js examples Environment variables Export or add to a .env file export LS_ACCESS_TOKEN=<lightstep access token> optionally, set the lightstep metrics url export LS_METRICS_URL=https://ingest.lightstep.com/metrics Start the client docker-compose up Supported variables Name Required Default LS_ACCESS_TOKEN yes LS_SERVICE_NAME yes LS_METRICS_URL No https://ingest.lightstep.com/metrics