glue.dot

digraph g {
    rankdir=LR
    splines=line

    node [shape=rect]

    subGraph cluster_dataflow {
        label = "Data Flow"
        labelloc = b
    bucket [fillcolor=darkgreen, style=filled]
    crawler [fillcolor=purple, style=filled]
    database [fillcolor=purple, style=filled]
    table_status [fillcolor=purple, style=filled]
    }

    lambda_permission [fillcolor=orange, style=filled]
    lambda_role [fillcolor=red, style=filled]
    lambda [fillcolor=orange, style=filled]
    crawler_role [fillcolor=red, style=filled]

    bucket -> lambda [label="(notify)", style=dashed]
    lambda -> crawler [label="(run)", style=dashed]
    bucket -> crawler [label="R"]
    crawler -> database [label="W"]
    crawler -> table_status [label="W"]
    lambda_role -> lambda [style=dashed]
    crawler_role -> crawler [style=dashed]
    lambda_permission -> bucket [style=dashed]

}