Prometheus RSocket Test

1. Install Docker Desktop
2. (Build) Run mvn verify of the root project
3. (Prometheus RSocket Server) Start the server: prometheus.rsocket.server.test.PrometheusRSocketServerTestApplication
4. (Prometheus RSocket Client Native Image) cd client
5. (Prometheus RSocket Client Native Image) run command docker build -t testimg .
6. (Prometheus RSocket Client Native Image) run command docker images to find the image id
7. (Prometheus RSocket Client Native Image) run command docker run --rm -e DOCKER_HOST=host.docker.internal <image_id> to run the actual image
8. Access http://localhost:8080/metrics/connected on the host and you should see metrics with main_application_class=prometheus.rsocket.client.test.PrometheusRSocketClientTestApplication