#1,purpose: to maintain prometheus_blackbox_grafana dockerfile
#2,grafana dashboard template: 13659 default user/password admin/admin
#3,podman pull microul/prometheus_blackbox_grafana_amd64:v1
#4,podman run -itd -p 9090:9090 -p 9115:9115 -p 3000:3000 microul/prometheus_blackbox_grafana_amd64:v1