digraph G {
    node [ shape=box, fontcolor="#ffffff", color="#40a9e3", style="filled"  ]
#    rankdir=LR;

    subgraph cluster_local {
        editor [ label="Local editor" ];
        git [ label="Local version control" ];
        localweb [ label="Development webserver" ];
    }


    subgraph cluster_production_datacenter {
        label="First data center";
        subgraph cluster_production {
            label="Production environment"
            prodvm [ label="Production Server\nuwsgi,nginx,postgres" ];
            repo [ label="Code repository\n(f.i. git)"];
            monitoring [ label="Monitoring server" ];
        }

        subgraph cluster_staging {
            label="Staging environment"
            stagingvm[ label="Staging Server" ];
        }
    }

    subgraph cluster_offsite {
        label="Second data center";
        backupvm [ label="Backup server" ];
        monitoringmonitor [ label="Monitoring server" ];
    }

    editor->git;
    git->repo;
    editor->localweb;

    repo->prodvm [ label="Deploy after staging" ];
    repo->stagingvm [ label="Pre prod deployment" ];

    prodvm->backupvm [ label="Daily backup" ];
    monitoring->prodvm [ label="Verify operation\nand alert on failure" ];
    monitoringmonitor->monitoring [ label="Monitor the monitoring service"];

}