enable public access for grafana, add health check

docker-compose.grafana.yml

@@ -1,9 +1,16 @@
 services:
     grafana:
         container_name: grafana
-        image: grafana/grafana:9.0.2
+        image: grafana/grafana:11.4.0
+        healthcheck:
+          test: [ "CMD", "wget", "-qO-", "http://localhost:3000" ]
+          interval: 20s
+          start_period: 30s
+          timeout: 5s
+          retries: 10
         ports:
         - 3333:3000
         restart: unless-stopped
         volumes:
         - /opt/grafana:/var/lib/grafana
+        - /opt/grafana/grafana.ini:/etc/grafana/grafana.ini