{
  "$ref": "#/definitions/blog",
  "definitions": {
    "blog": {
      "type": "object",
      "properties": {
        "title": {
          "type": "string"
        },
        "pubDate": {
          "type": "string"
        },
        "tags": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "$schema": {
          "type": "string"
        }
      },
      "required": [
        "title",
        "pubDate",
        "tags"
      ],
      "additionalProperties": false
    }
  },
  "$schema": "http://json-schema.org/draft-07/schema#"
}