fix: seed correct monitoring volumes and verify monitoring deployment

docker-compose.prod.yml

@@ -180,8 +180,7 @@ services:
       - "3001:3000"
     volumes:
       - grafana-data:/var/lib/grafana
-      - ./monitoring/grafana/dashboards:/etc/grafana/provisioning/dashboards
-      - ./monitoring/grafana/datasources:/etc/grafana/provisioning/datasources
+      - grafana-provisioning:/etc/grafana/provisioning
     environment:
       - GF_SECURITY_ADMIN_USER=admin
       - GF_SECURITY_ADMIN_PASSWORD=${GRAFANA_PASSWORD:-admin}
@@ -201,3 +200,4 @@ volumes:
   prometheus-config:
   prometheus-data:
   grafana-data:
+  grafana-provisioning: