update docker compose config

grafana/.env

@@ -1 +1,3 @@
+# We can't just put the version inside main .env file as docker developers denied this feature due to skill issues
+# https://github.com/docker/compose/issues/11122
 GRAFANA_VERSION=11.0.0

grafana/docker-compose.yml

@@ -9,5 +9,3 @@ services:
     ports:
       - '3005:3000'
     restart: unless-stopped
-    env_file:
-      - .env