An example Structurizr Express diagram

system-context.json

{
  "type": "System Context",
  "scope": "My Software System",
  "description": "The system context diagram for my software system.",
  "size": "A6_Portrait",


  "elements": [
    {
      "type": "Person",
      "name": "Customer",
      "description": "",
      "tags": "",
      "position": "420,215"
    },
    {
      "type": "Software System",
      "name": "My Software System",
      "description": "",
      "tags": "",
      "position": "395,1112",
      "containers": []
    }
  ],


  "relationships": [
    {
      "source": "Customer",
      "description": "Uses",
      "technology": "",
      "destination": "My Software System",
      "tags": "",
      "vertices": []
    }
  ],


  "styles": [
    {
      "type": "element",
      "description": "false",
      "tag": "Element",
      "width": "",
      "height": "",
      "background": "",
      "color": "",
      "fontSize": "",
      "border": "",
      "opacity": "",
      "shape": "",
      "metadata": "false"
    },
    {
      "type": "element",
      "description": "",
      "tag": "Person",
      "width": "",
      "height": "",
      "background": "",
      "color": "",
      "fontSize": "",
      "border": "",
      "opacity": "",
      "shape": "Person",
      "metadata": ""
    }
  ]
}