Monitoring Stack: set hostname for graphite service

Docker/Docker-Compose/Monitioring/README.md

@@ -9,7 +9,7 @@ Mainly built for use with docker/docker-compose.
 
 To be able to send the docker container log to Loki
 we need to install the `loki-docker-driver` docker
-plugin. We can do so by running this command:
+plugin. You can do so by running this command:
 
 ```Shell
 docker plugin install grafana/loki-docker-driver:latest --alias loki --grant-all-permissions

Docker/Docker-Compose/Monitioring/docker-compose.yml

@@ -44,6 +44,7 @@ services:
 ##############################################
   graphite:
     image: graphiteapp/graphite-statsd:latest
+    hostname: graphite_master
     environment:
       - GRAPHITE_TIME_ZONE=${TZ:-UTC}
     volumes: