{
  "openapi": "3.0.3",
  "info": {
    "title": "Shipping models",
    "version": "1.0.0"
  },
  "paths": {},
  "components": {
    "schemas": {
      "Address": {
        "type": "object",
        "properties": {
          "street": {
            "type": "string",
            "example": "123 King Street"
          },
          "city": {
            "type": "string",
            "example": "Toronto"
          },
          "postalCode": {
            "type": "string",
            "example": "M5V 1A1"
          },
          "country": {
            "type": "string",
            "example": "CA"
          }
        },
        "required": [
          "street",
          "city",
          "postalCode",
          "country"
        ]
      },
      "Customer": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string",
            "example": "Alex"
          },
          "address": {
            "$ref": "#/components/schemas/Address"
          }
        },
        "required": [
          "name",
          "address"
        ]
      }
    }
  }
}